John Victor Parry

John Victor Parry's AcademicInfluence.com Rankings

John Victor Parry

Medical

#3201

World Rank

#3656

Historical Rank

Epidemiology

#607

World Rank

#632

Historical Rank

medical Degrees

Download Badge

Medical

John Victor Parry's Degrees

PhD Epidemiology University of Oxford

Why Is John Victor Parry Influential?

(Suggest an Edit or Addition)

(See a Problem?)

John Victor Parry's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Factors associated with COVID-19-related death using OpenSAFELY (2020) (2942)
OpenSAFELY: factors associated with COVID-19 death in 17 million patients (2020) (1737)
OpenSAFELY: factors associated with COVID-19-related hospital death in the linked electronic health records of 17 million adult NHS patients. (2020) (641)
Development and validation of an electronic frailty index using routine primary care electronic health record data (2016) (505)
The impact of needle and syringe provision and opiate substitution therapy on the incidence of hepatitis C virus in injecting drug users: pooling of UK evidence. (2011) (332)
SENSITIVE ASSAYS FOR VIRAL ANTIBODIES IN SALIVA: AN ALTERNATIVE TO TESTS ON SERUM (1987) (296)
Development and validation of an electronic frailty index using routine primary care electronic health record data (2017) (274)
Prevalence of antibodies to hepatitis B, hepatitis C, and HIV and risk factors in Irish prisoners: results of a national cross sectional survey (2000) (271)
Undescribed toxin in pseudomembranous colitis. (1977) (235)
Ethnic differences in SARS-CoV-2 infection and COVID-19-related hospitalisation, intensive care unit admission, and death in 17 million adults in England: an observational cohort study using the OpenSAFELY platform (2021) (233)
Prevalence of HIV, hepatitis B, and hepatitis C antibodies in prisoners in England and Wales: a national survey. (2000) (187)
Evaluation of a modified commercial assay in detecting antibody to hepatitis C virus in oral fluids and dried blood spots (2003) (187)
Early impact of the coronavirus disease (COVID-19) pandemic and physical distancing measures on routine childhood vaccinations in England, January to April 2020 (2020) (179)
Risk of COVID-19-related death among patients with chronic obstructive pulmonary disease or asthma prescribed inhaled corticosteroids: an observational cohort study using the OpenSAFELY platform (2020) (174)
Detection of measles, mumps, and rubella antibodies in saliva using antibody capture radioimmunoassay (1993) (169)
HIV infection and COVID-19 death: population-based cohort analysis of UK primary care data and linked national death registrations within the OpenSAFELY platform (2020) (165)
Explosive spread and high prevalence of HIV infection among injecting drug users in Togliatti City, Russia (2002) (158)
Case fatality risk of the SARS-CoV-2 variant of concern B.1.1.7 in England, 16 November to 5 February (2021) (156)
Determinants of HIV-1 transmission in men who have sex with men: a combined clinical, epidemiological and phylogenetic approach (2010) (153)
Assays for the detection of recent infections with human immunodeficiency virus type 1. (2008) (153)
Incidence of hepatitis C virus and HIV among new injecting drug users in London: prospective cohort study (2004) (141)
Increasing risk behaviour and high levels of undiagnosed HIV infection in a community sample of homosexual men (2004) (137)
Prevalence of antibodies to hepatitis B, hepatitis C, and HIV and risk factors in entrants to Irish prisons: a national cross sectional survey. (2001) (128)
HIV infection and COVID-19 death: a population-based cohort analysis of UK primary care data and linked national death registrations within the OpenSAFELY platform (2020) (123)
Diagnosis of hepatitis a and b by testing saliva (1989) (115)
Prevalence of HIV, hepatitis C and syphilis among injecting drug users in Russia: a multi-city study. (2006) (112)
Risk of sexually transmitted infections and violence among indoor-working female sex workers in London: the effect of migration from Eastern Europe (2011) (111)
Performance of Commercially Available Enzyme Immunoassays for Detection of Antibodies against Herpes Simplex Virus Type 2 in African Populations (2004) (107)
Novel assay for the detection of immunoglobulin G antihuman immunodeficiency virus in untreated saliva and urine (1993) (106)
Studies on heat inactivation of hepatitis A virus with special reference to shellfish: Part 1. Procedures for infection and recovery of virus from laboratory-maintained cockles (1987) (106)
Risk behaviour and HIV prevalence in international travellers (1994) (105)
Prevalence of hepatitis C among injection drug users in England and Wales: is harm reduction working? (2001) (99)
Factors associated with deaths due to COVID-19 versus other causes: population-based cohort analysis of UK primary care data and linked national death registrations within the OpenSAFELY platform (2021) (97)
Incidence of hepatitis C in drug injectors: the role of homelessness, opiate substitution treatment, equipment sharing, and community size (2009) (96)
Prevalence of, and risk factors for, HIV, hepatitis B and C infections among men who inject image and performance enhancing drugs: a cross-sectional study (2013) (96)
A year's experience of the rotavirus syndrome and its association with respiratory illness. (1979) (93)
Missed opportunities for diagnosing primary HIV infection (2007) (93)
WHICH ANTI-HTLV III/LAV ASSAYS FOR SCREENING AND CONFIRMATORY TESTING? (1985) (93)
Role of viruses in febrile convulsions. (1979) (90)
Recent trends in HIV and other STIs in the United Kingdom: data to the end of 2002 (2004) (89)
Evaluation of needle exchange in central London: behaviour change and anti-HIV status over one year. (1989) (89)
Self-taken pharyngeal and rectal swabs are appropriate for the detection of Chlamydia trachomatis and Neisseria gonorrhoeae in asymptomatic men who have sex with men (2008) (88)
The heat sensitivity of hepatitis A virus determined by a simple tissue culture method (1984) (86)
Human Immunodeficiency Virus (HIV) Antibody Avidity Testing To Identify Recent Infection in Newly Diagnosed HIV Type 1 (HIV-1)-Seropositive Persons Infected with Diverse HIV-1 Subtypes (2006) (84)
Markers of HIV infection prior to IgG antibody seropositivity. (1989) (82)
Determinants of HIV disease progression: six-year longitudinal study in the Edinburgh haemophilia/HIV cohort (1991) (80)
HIV incidence appears constant in men who have sex with men despite widespread use of effective antiretroviral therapy (2004) (78)
Preliminary report: Accurate assays for anti-HIV in urine (1990) (77)
High HIV prevalence among injecting drug users in Estonia: implications for understanding the risk environment (2006) (77)
HIV surveillance by testing saliva. (1988) (74)
Simple and Reliable Salivary Tests for HIV and Hepatitis A and B Virus Diagnosis and Surveillance (1993) (73)
Do Tests Devised to Detect Recent HIV-1 Infection Provide Reliable Estimates of Incidence in Africa? (2007) (72)
A tale of three cities: persisting high HIV prevalence, risk behaviour and undiagnosed infection in community samples of men who have sex with men (2007) (72)
ELECTRON MICROSCOPY OF FATAL ADENOVIRUS GASTROENTERITIS (1977) (71)
Surveillance of HIV-1 Subtypes Among Heterosexuals in England and Wales, 1997–2000 (2004) (65)
Serological testing algorithm shows rising HIV incidence in a UK cohort of men who have sex with men: 10 years application (2007) (65)
Assessing IDU prevalence and health consequences (HCV, overdose and drug-related mortality) in a primary care trust: implications for public health action. (2009) (64)
Detection of antibody to HIV in saliva: a brief review. (1994) (63)
Use of non-steroidal anti-inflammatory drugs and risk of death from COVID-19: an OpenSAFELY cohort analysis based on two cohorts (2021) (63)
Trends, regional variation, and clinical characteristics of COVID-19 vaccine recipients: a retrospective cohort study in 23.4 million patients using OpenSAFELY. (2021) (62)
HIV prevalence among injecting drug users in England and Wales 1990 to 2003: evidence for increased transmission in recent years (2005) (62)
Hepatitis C Infection Among Injecting Drug Users in England and Wales (1992–2006): There and Back Again? (2009) (62)
Performance of the Amplicor human immunodeficiency virus type 1 PCR and analysis of specimens with false-negative results (1997) (60)
Association between living with children and outcomes from covid-19: OpenSAFELY cohort study of 12 million adults in England (2020) (59)
Diverse HIV-1 genetic subtypes in UK (1996) (59)
The use of saliva for viral diagnosis and screening. (1988) (55)
At least five HIV-1 sequence subtypes (A, B, C, D, A/E) occur in England. (1995) (54)
Comparative evaluation of 15 serological assays for the detection of syphilis infection (2007) (54)
Effects of sex work on the prevalence of syphilis among injection drug users in 3 Russian cities. (2007) (53)
Salivary antibody testing in a school outbreak of hepatitis A. (1992) (52)
Human papillomavirus genotype detection and viral load in paired genital and urine samples from both females and males (2011) (50)
The public health applications of unlinked anonymous seroprevalence monitoring for HIV in the United Kingdom. (2000) (47)
Detection of immunoglobulin M antibody in primary human immunodeficiency virus infection. (1988) (47)
Risk of hepatitis A infection in sewage workers. (1998) (47)
Clinical coding of long COVID in English primary care: a federated analysis of 58 million patient records in situ using OpenSAFELY (2021) (46)
Hepatitis C in men who have sex with men in London – a community survey (2013) (46)
POST-TRANSFUSION HEPATITIS A (1982) (45)
Hepatitis C virus infection, HIV co-infection, and associated risk among injecting drug users in Togliatti, Russia (2005) (45)
Risk behaviour, anti‐HIV and anti‐hepatitis B core prevalence in clinic and non‐clinic samples of gay men in England; 1991–1992 (1993) (44)
Effect of pre-exposure use of hydroxychloroquine on COVID-19 mortality: a population-based cohort study in patients with rheumatoid arthritis or systemic lupus erythematosus using the OpenSAFELY platform (2020) (44)
Human Papillomavirus 16, 18, 31 and 45 viral load, integration and methylation status stratified by cervical disease stage (2014) (43)
Diagnostic value of specific IgM antibodies in primary HIV infection. (1988) (43)
Improvingblood‐borne viral diagnosis; clinical audit of the uptake of dried blood spot testing offered by a substance misuse service (2009) (43)
Prevalence of markers for hepatitis B virus and HIV-1 among drug injectors in London: injecting careers, positivity and risk behaviour. (1996) (42)
Improvement in the performance of HIV screening kits (2008) (41)
The risk of infection with HIV and hepatitis B in individuals who inject steroids in England and Wales (1998) (41)
The extent of injection site infection in injecting drug users: findings from a national surveillance study (2010) (39)
Sexual behaviour and HIV infection in black-Africans in England: results from the Mayisha II survey of sexual attitudes and lifestyles (2007) (39)
Investigation of an outbreak of hepatitis A simplified by salivary antibody testing (1989) (38)
Healthcare seeking and hospital admissions by people who inject drugs in response to symptoms of injection site infections or injuries in three urban areas of England (2014) (38)
Home Sampling for Sexually Transmitted Infections and HIV in Men Who Have Sex with Men: A Prospective Observational Study (2015) (38)
Simple/rapid test devices for anti‐HIV screening: Do they come up to the mark? (1999) (38)
A national survey of genitourinary medicine clinic attenders provides little evidence of sexual transmission of hepatitis C virus infection (2003) (37)
Discrimination of Subtype B and Non-Subtype B Strains of Human Immunodeficiency Virus Type 1 by Serotyping: Correlation with Genotyping (1999) (37)
Ethnic differences in COVID-19 infection, hospitalisation, and mortality: an OpenSAFELY analysis of 17 million adults in England (2020) (36)
Trends in female sexual behaviour and sexually transmitted diseases in London, 1982-1992. (1995) (36)
The Oxford Royal College of General Practitioners Clinical Informatics Digital Hub: Protocol to Develop Extended COVID-19 Surveillance and Trial Platforms (2020) (35)
HIV infection in injecting drug users attending centres in England and Wales, 1990–1991 (1993) (35)
Estimating the distribution of the window period for recent HIV infections: A comparison of statistical methods (2010) (34)
Is the recent emergence of mephedrone injecting in the United Kingdom associated with elevated risk behaviours and blood borne virus infection? (2016) (34)
Risk of HIV and Hepatitis B and C Over Time Among Men Who Inject Image and Performance Enhancing Drugs in England and Wales: Results From Cross-Sectional Prevalence Surveys, 1992–2013 (2016) (34)
HIV‐1 prevalence in community‐wide samples of injecting drug users in London, 1990–1993 (1996) (34)
National Surveillance of HIV‐1 Subtypes for England and Wales Design, Methods, and Initial Findings (2001) (34)
RATIONAL PROGRAMME FOR SCREENING TRAVELLERS FOR ANTIBODIES TO HEPATITIS A VIRUS (1988) (34)
An outbreak of hepatitis A: school toilets as a source of transmission. (1992) (34)
Injection site infections and injuries in men who inject image- and performance-enhancing drugs: prevalence, risks factors, and healthcare seeking (2014) (33)
Continuing transmission of sexually transmitted diseases among patients infected with HIV-1 attending genitourinary medicine clinics in England and Wales (1996) (33)
Hepatitis A outbreak involving bread. (1991) (33)
Towards error-free HIV diagnosis: guidelines on laboratory practice. (2003) (32)
Immunoglobulin G antibody capture enzyme-linked immunosorbent assay: a versatile assay for detection of anti-human immunodeficiency virus type 1 and 2 antibodies in body fluids (1992) (32)
Prevalence of HIV, hepatitis B and associated risk behaviours in clients of a needle‐exchange in central London (1991) (32)
An immunoglobulin G antibody capture particle-adherence test (GACPAT) for antibody to HIV-1 and HTLV-I that allows economical large-scale screening. (1989) (32)
Hepatitis A virus and injecting drug misuse in Aberdeen, Scotland: a case–control study (2004) (31)
Poor hepatitis B vaccine coverage in injecting drug users: England, 1995 and 1996. (1999) (31)
Epidemiology of herpes simplex virus types 2 and 1 amongst men who have sex with men attending sexual health clinics in England and Wales: implications for HIV prevention and management. (2009) (31)
Community based syphilis screening: feasibility, acceptability, and effectiveness in case finding (2005) (31)
Not in the vein: 'missed hits', subcutaneous and intramuscular injections and associated harms among people who inject psychoactive drugs in Bristol, United Kingdom. (2016) (30)
HTV-2-ASSOCIATED AIDS IN THE 1970s (1988) (30)
The testing of saliva samples for HIV-1 antibodies: reliability in a non-clinic setting. (1993) (29)
Assessing the impact and cost-effectiveness of needle and syringe provision and opioid substitution therapy on hepatitis C transmission among people who inject drugs in the UK: an analysis of pooled data sets and economic modelling (2017) (29)
The prevalence and genetic diversity of hepatitis C infection in antenatal clinic attenders in two regions of England (2000) (29)
Comparison between self-reported hepatitis B, hepatitis C, and HIV antibody status and oral fluid assay results in Irish prisoners. (2000) (28)
Diagnosis of acute hepatitis C virus infection and estimated incidence in low‐ and high‐risk English populations (2008) (28)
Characteristics of injecting drug users accessing different types of needle and syringe programme or using secondary distribution. (2010) (27)
Factors associated with recent symptoms of an injection site infection or injury among people who inject drugs in three English cities. (2014) (27)
National surveillance of HIV-1 subtypes for England and Wales: design, methods, and initial findings. (2001) (26)
PLACE OF IgM ANTIBODY TESTING IN HIV SEROLOGY (1986) (25)
Performance of the HerpeSelect (Focus) and Kalon Enzyme-Linked Immunosorbent Assays for Detection of Antibodies against Herpes Simplex Virus Type 2 by Use of Monoclonal Antibody-Blocking Enzyme Immunoassay and Clinicovirological Reference Standards in Brazil (2007) (25)
A collaborative case control study of sporadic hepatitis A in England. (1995) (24)
GACPAT HIV 1+2: A simple, inexpensive assay to screen for, and discriminate between, anti‐HIV 1 and anti‐HIV 2 (1995) (24)
Rapid clinical and laboratory progression of HIV infection. (1990) (24)
The National Blood Service (England) approach to evaluation of kits for detecting infectious agents. (2007) (24)
One or two serological assay testing strategy for diagnosis of HBV and HCV infection? The use of predictive modelling (2017) (24)
Detection of anti-HIV in saliva and urine at the time of seroconversion. (1994) (24)
Test of HIV incidence shows continuing HIV transmission in homosexual/bisexual men in England and Wales. (2001) (23)
Sustained increase in the sharing of needles and syringes among drug users in England and Wales. (2002) (23)
Changes in HIV Prevalence and Risk Among New Injecting Drug Users in a Russian City of High HIV Prevalence (2008) (23)
The influence of dental status on the detection of IgG class anti-viral antibodies in human saliva. (1991) (22)
The anti-HBc IgM response in the acute and convalescent phases of acute hepatitis. (1981) (22)
Comparison of methods to detect recent HIV type 1 infection in cross-sectionally collected specimens from a cohort of female sex workers in the Dominican Republic. (2007) (22)
VIRUSES AND GASTROENTERITIS (1975) (21)
Inhaled corticosteroid use and risk COVID-19 related death among 966,461 patients with COPD or asthma: an OpenSAFELY analysis (2020) (21)
Field evaluation of immunoglobulin G antibody capture tests for HIV-1 and HIV-2 antibodies in African serum, saliva and urine. (1991) (21)
Going into the groin: Injection into the femoral vein among people who inject drugs in three urban areas of England. (2015) (21)
Viruses and diarrhoea in West Africa and London: a collaborative study (1978) (21)
Salivary and urinary diagnosis of human immunodeficiency viruses 1 and 2 infection in Côte d'Ivoire, using two assays. (1992) (20)
Improving survey methods in sero-epidemiological studies of injecting drug users: a case example of two cross sectional surveys in Serbia and Montenegro (2009) (20)
Sex work amongst people who inject drugs in England, Wales and Northern Ireland: findings from a National Survey of Health Harms and Behaviours. (2015) (20)
Mayisha II: Pilot of a community-based survey of sexual attitudes and lifestyles and anonymous HIV testing within African communities in London (2006) (20)
Low levels of hepatitis C diagnosis and testing uptake among people who inject image and performance enhancing drugs in England and Wales, 2012-15. (2017) (20)
Salivary testing for human immunodeficiency virus type 1 infection in children born to infected mothers in Sao Paulo, Brazil. The Sao Paulo Collaborative Study for Vertical Transmission of HIV-1. (1996) (19)
Human exposure to bovine polyomavirus: A zoonosis? (2005) (19)
INTERFERON ASSAY AS A DIAGNOSTIC TEST (1981) (19)
Prevalence of HIV infection in pregnant women in London and elsewhere in England (1994) (19)
Male IDUs who have sex with men in England, Wales and Northern Ireland: are they at greater risk of bloodborne virus infection and harm than those who only have sex with women? (2012) (19)
HIV prevalence and risk behaviour among female injecting drug users in London, 1990 to 1996. (1999) (19)
Prevalence of markers for HIV, hepatitis B and hepatitis C infection in UK military recruits (2011) (19)
Is HIV incidence increasing in homo/bisexual men attending GUM clinics in England, Wales and Northern Ireland? (2004) (19)
The detection in urine specimens of IgG and IgM antibodies to hepatitis A and hepatitis B core antigens (1992) (19)
Reconciling HIV incidence results from two assays employed in the serological testing algorithm for recent HIV seroconversion (STARHS). (2003) (18)
Measuring risk of HIV and HCV among injecting drug users in the Russian Federation. (2009) (18)
Problems in the interpretation of HIV‐1 viral load assays using commercial reagents (2000) (18)
Human immunodeficiency virus: GACPAT and GACELISA as diagnostic tests for antibodies in urine. (1993) (17)
Thirteen current anti‐HIV‐l/HIV‐2 enzyme immunoassays: How accurate are they? (1994) (17)
Prevalence and incidence of hepatitis C in injecting drug users attending genitourinary medicine clinics (2008) (17)
Two decades of successes and failures in controlling the transmission of HIV through injecting drug use in England and Wales, 1990 to 2011. (2014) (16)
An immunoglobulin G capture assay (GACRIA) for anti‐HTLV III/LAV and its use as a confirmatory test (1986) (16)
Detection of HIV-1 antibodies in blood specimens spotted on filter-paper. (1992) (16)
Rates of serious clinical outcomes in survivors of hospitalisation with COVID-19: a descriptive cohort study within the OpenSAFELY platform (2021) (16)
Low specificity of the Murex fourth‐generation HIV enzyme immunoassay in Tanzanian adolescents (2007) (16)
Evaluation of a Combined HIV‐1/2 and HTLV‐I/II Assay for Screening Blood Donors (1995) (16)
Estimating hepatitis C infection acquired in England, 1986–2000 (2009) (16)
POLYOMAVIRUS IN FETAL RHESUS MONKEY KIDNEY CELL LINES USED TO GROW HEPATITIS A VIRUS (1983) (15)
Accuracy of plasma HIV RNA quantification: A multicentre study of variability (2000) (15)
A dual subtype B/E HIV type 1 infection with a novel V3 loop crown motif among infections acquired in Thailand and imported into England. (1998) (14)
Sensitivity of six commercial enzyme immunoassay kits that detect both anti-HIV-1 and anti-HIV-2. (1990) (14)
Monitoring the effectiveness of HIV and STI prevention initiatives in England, Wales, and Northern Ireland: where are we now? (2006) (14)
Application of screening and confirmatory assays for anti‐HTLV‐I/II in U.K. populations (1992) (14)
An investigation of the potential risk of an HAV outbreak in a prison population following the introduction of cases from a community outbreak. (2001) (13)
Testing for antibody to human immunodeficiency virus type 1 in a population in which mycobacterial diseases are endemic. (1995) (13)
SARS Antibody Testing in Children: Development of Oral Fluid Assays for IgG Measurements (2022) (13)
Are seroepidemiological surveys for human immunodeficiency virus infection based on tests on pools of serum specimens accurate and cost-effective? (1993) (13)
How safe is safer sex? High levels of HSV-1 and HSV-2 in female sex workers in London (2006) (13)
Human papillomavirus type 16 long control region and E6 variants stratified by cervical disease stage (2014) (13)
Post-transfusion HIV infection despite donor screening: a report of three cases. (2000) (12)
Identifying Care Home Residents in Electronic Health Records - An OpenSAFELY Short Data Report (2021) (12)
OpenSAFELY: impact of national guidance on switching from warfarin to direct oral anticoagulants (DOACs) in early phase of COVID-19 pandemic in England (2020) (12)
Evidence for a bovine origin of the polyomaviurs detected in foetal rhesus monkey kidney cells, FRhK-4 and -6 (2005) (11)
Does the recent increase in HIV diagnoses among men who have sex with men in the United Kingdom reflect a rise in HIV incidence or increased uptake of HIV testing ? (2006) (11)
Faulty washers and soiled micropipettors may generate false positive serological results. (1997) (11)
The Effect of Sample Handling on Cross Sectional HIV Incidence Testing Results (2011) (11)
Variation in the sensitivity of HBsAg screening kits (1996) (10)
Failure to vaccinate current injecting drug users against hepatitis B in England and Wales. (2001) (10)
Incidence of HIV infection in homosexual men attending a sexually transmitted disease clinic in London measured by a novel unlinked anonymous method. (1999) (10)
Evaluation of an Enzyme Immunoassay for the Combined Detection of Antibodies to HIV‐1, HIV‐2, HTLV‐I and HTLV‐II (1992) (10)
CELIAC CRISIS IN AN OLDER MAN (2010) (10)
Surveillance for the impact in the UK of HIV epidemics in South Asia. (1999) (10)
Implications for HIV testing policy derived from combining data on voluntary confidential testing with viral sequences and serological analyses (2008) (10)
Polymerase chain reaction to diagnose HIV-1 (1994) (10)
Secondary distribution of injecting equipment obtained from needle and syringe programmes by people injecting image and performance enhancing drugs: England and Wales, 2012-15. (2019) (10)
A comparison of two biological markers of recent hepatitis C virus (HCV) infection: implications for the monitoring of interventions and strategies to reduce HCV transmission among people who inject drugs (2018) (9)
Spontaneous HIV-1 Seroreversion in an Adult Male (2007) (9)
Prevalence of HIV infection in patients attending an inner city accident and emergency department (1994) (9)
Injection into the jugular vein among people who inject drugs in the United Kingdom: Prevalence, associated factors and harms. (2017) (9)
Investigation of a hepatitis A outbreak in a primary school by sequential saliva sampling. (1995) (9)
Prevalence of HIV infection in a multi-site sample of injecting drug users not in contact with treatment services in England. (2000) (8)
OpenSAFELY: Risks of COVID-19 hospital admission and death for people with learning disabilities - a cohort study. (2021) (8)
How valuable are IgA and IgM anti-HIV tests for the diagnosis of mother-child transmission of HIV in an African setting? (1996) (8)
HTLV-I IN ENGLISH PATIENTS (1989) (8)
Performance assessment of neonatal dried blood spot testing for HIV antibody. (1992) (8)
OpenSAFELY NHS Service Restoration Observatory 1: describing trends and variation in primary care clinical activity for 23.3 million patients in England during the first wave of COVID-19 (2021) (8)
False negative results in enzyme linked immunosorbent assays using synthetic HIV antigens. (1995) (8)
Exploration of cost effectiveness of active vaccination in the control of a school outbreak of hepatitis A in a deprived community in the United Kingdom. (2007) (8)
Survey of human immunodeficiency virus infection among pregnant women in England and Wales: 1990-93. (1994) (8)
Characterisation of a polyomavirus in two foetal rhesus monkey kidney cell lines used for the growth of hepatitis A virus (2005) (7)
Anti-HIV antibody in saliva: an assessment of the role of the components of saliva, testing methodologies and collection systems. (1996) (7)
Assessing the impact of a nurse-delivered home dried blood spot service on uptake of testing for household contacts of hepatitis B-infected pregnant women across two London trusts (2016) (7)
Diagnosis of recent hepatitis A infection: a comparison of two methods for detecting specific IgM (1981) (7)
Detection of viral antibodies in saliva specimens as an alternative to serum. (1989) (7)
Serological evidence for recent infection with hepatitis a virus (HAV) following an institutional outbreak of hepatitis (1979) (6)
Diagnosis of hepatitis A infection: comparative specificity of IgM capture assays using antigens derived from tissue cultures and marmoset faeces. (1984) (6)
The risk of hepatitis A from sewage contamination of a water supply. (1995) (6)
HIV antibody assay that gave false negative results: multicentre collaborative study (1997) (6)
Factors associated with the use of cleaned needles and syringes among people who inject drugs in the UK: who should we target to minimise the risks? (2014) (6)
OpenSAFELY: Do adults prescribed Non-steroidal anti-inflammatory drugs have an increased risk of death from COVID-19? (2020) (6)
Seroepidemiology of human retroviruses in Gabon. (1989) (6)
Safety of COVID-19 vaccination and acute neurological events: A self-controlled case series in England using the OpenSAFELY platform (2022) (6)
HIV-2 IN BRITAIN: NO EVIDENCE, YET (1988) (6)
HIV antibodies in babies. (1992) (5)
Cross-contamination and "confirmed" positive anti-HIV results (1991) (5)
Hepatitis A infection: guidelines for development of satisfactory assays for laboratory diagnosis. (1981) (5)
A report of an outbreak of Shigellosis in a primary school in Staffordshire. (2001) (5)
Salivary testing for HIV infection. (1992) (5)
Economic Donor Screening for Anti‐HIV in the Developing World (1994) (5)
Sensitivity for anti-HIV-2 of combined HIV antibody kits (1990) (5)
The rising prevalence of HIV-1 infection in patients attending an inner city accident and emergency department. (1996) (5)
Use of hygiene advice and active immunisation to control an outbreak of hepatitis A. (2001) (5)
Reappearance of HIV antibody in an infected, seronegative individual after treatment with highly active antiretroviral therapy. (1999) (5)
Hepatitis B virus transmission in pre-adolescent schoolchildren in four multi-ethnic areas of England (2012) (5)
HIV-2 antibody in a low-risk individual (1990) (4)
Spurious malarial antibodies in HIV infection (1992) (4)
Serotyping : Correlation with Genotyping Immunodeficiency Virus Type 1 by Non-Subtype B Strains of Human Discrimination of Subtype B and (1999) (4)
Simple haemadherence test for the detection of class‐specific immunoglobulins to hepatitis A virus (1993) (4)
HIV-2 in the United Kingdom--a review. (1991) (4)
Study protocol: Comparison of different risk prediction modelling approaches for COVID-19 related death using the OpenSAFELY platform (2020) (4)
ANTI-HEPATITIS-A-YIRUS POTENCY OF IMMUNOGLOBULIN (1981) (4)
Management of blood donors whose donations are repeatedly falsely positive by the HIV antibody screening test. (1995) (4)
Post-transfusion hepatitis. (1967) (4)
Loss to follow-up of HIV-exposed infants in South London (2003) (4)
Changes in the rate of cardiometabolic and pulmonary events during the COVID-19 pandemic (2021) (4)
Time for action on hepatitis B immunisation (1987) (4)
The Oxford Royal College of General Practitioners Clinical Informatics Digital Hub: Protocol to Develop Extended COVID-19 Surveillance and Trial Platforms (Preprint) (2020) (4)
Sensitivity of the newer HIV assays. (1988) (3)
High Prevalence of HIV-1 in women who terminate their pregnancies: data from the unlinked anonymous study (2007) (3)
Prevalence of, and risk factors for, human immunodeficiency virus, hepatitis B and hepatitis C infections among men who inject image- and performance-enhancing drugs in England & Wales (2013) (3)
129Development, Internal Validation And Independent External Validation Of An Electronic Frailty Index Using Routine Primary Care Electronic Health Record Data (2017) (3)
Hydroxychloroquine for prevention of COVID-19 mortality: a population-based cohort study (2020) (3)
Mutagenicity, Carcinogenicity, and Teratogenicity of Industrial Pollutants (1985) (2)
Eelectron microscopy of fatal adenovirus gastroenteritis. (1977) (2)
Third trimester screening or safer sex to prevent mother to child transmission of HIV (2001) (2)
Characterisation of a Polyomavirus in two foetal rhesus monkey kidney cell lines used for the growth of hepatitis A virus (2005) (2)
Anti-hepatitis-A-virus potency of immunoglobulin. (1981) (2)
SARS-CoV-2 IgG detection in human oral fluids (2021) (2)
Short report: Ethnicity and COVID-19 death in the early part of the COVID-19 second wave in England: an analysis of OpenSAFELY data from 1st September to 9th November 2020 (2021) (2)
Roleofviruses infebrile convulsions (1979) (1)
of homosexual men undiagnosed HIV infection in a community sample Increasing risk behaviour and high levels of (2008) (1)
Hydroxychloroquine treatment does not reduce COVID-19 mortality; underdosing to the wrong patients? – Authors' reply (2021) (1)
False negativity by an anti‐HIV assay kit (IMx 8B32) and evaluation of its replacement (IMx 8C98) (1998) (1)
Report of a joint DMRQC/Organon field trial to detect hepatitis A IgM by ELISA. (1983) (1)
sex with men infection in community samples of men who have prevalence, risk behaviour and undiagnosed A tale of three cities: persisting high HIV (2008) (1)
Archives of Disease in Childhood , 1979 , 54 , 86 '-876 Role of viruses in febrile convulsions (2006) (1)
P1284 FACTORS ASSOCIATED WITH RECENTLY ACQUIRED HEPATITIS C VIRUS INFECTION AMONG PEOPLE WHO INJECT DRUGS IN THE UNITED KINGDOM: NEW FINDINGS USING AN AVIDITY TESTING ALGORITHM (2014) (1)
The potential role of minority mutation assays in surveillance of transmitted drug resistance (2009) (1)
Risk of hepatitus A infection in sewerage workers (1998) (1)
Predicting COVID-19 related death using the OpenSAFELY platform (2021) (1)
Multidrug resistant HIV and rapid progression of disease reported from New York. (2005) (0)
Detection of HIV-1 antibodies in blood specimens spotted on filter-paper / F. Lillo . [et al.] (1992) (0)
ebmdatalab/opensafely-risk-factors-research (2020) (0)
Voluntary anonymous testing for HIV with behavioural surveillance in a community sample of gay men (2001) (0)
Avoiding false positive HIV results on life assurance proposers: the necessity for follow-up. (1993) (0)
Trends infemale sexual behaviour andsexually transmitted diseases inLondon, 1982-1992 (1995) (0)
P27: Estimating transmission rates of hepatitis B (HBV) in households of HBV infected pregnant women in London (2013) (0)
Testing strategies for hepatitis B and C infection Predictive Modelling (2017) (0)
Epidemiology of hepatitis C virus in injecting drug users in england and wales: implications for HCV drug therapy (2001) (0)
Comparison of sensitivities and specificities of latex agglutination and an enzyme-linked immunosorbent assay for detection of antibodies to the human immunodeficiency virus in African sera. (1989) (0)
II survey of sexual attitudes and lifestyles black-Africans in England : results from the Sexual behaviour and HIV infection in (2007) (0)
Increase in prevalence of HIV in UK-born women giving birth (2007) (0)
HIV prevalence and increasing risk behaviour in a community sample of gay men in London (2002) (0)
Hepatitis B Virus Diagnosis and monitoring : P 24 – P 27 Natural history and epidemiology : P 28 – P 31 HBV : DIAGNOSIS (2013) (0)
The Single Shared Electronic Patient Record (SSEPR): problems with functionality and governance - Reply (2008) (0)
Erratum: Human papillomavirus genotype detection and viral load in paired genital and urine samples from both females and males (2011) (0)
Human Papillomavirus 16, 18, 31 and 45 viral load, integration and methylation status stratified by cervical disease stage (2014) (0)
HIV in UK born women: recognising the health promotion opportunities (2008) (0)
The acceptability and effectiveness of home-sampling as a method of HIV testing in men who have sex with men (2009) (0)
The impact of needle and syringe provision on hepatitis C transmission among people who inject drugs in the UK and Australia: an analysis of pooled data sets (2017) (0)
An audit of laboratory diagnosis of HIV-1 infection in infants born to HIV-1 positive mothers in the UK. BHIVA, Edinburgh, April 2007 (2007) (0)
Interesting data and positive news for you if, like me, you live with minors who go to school and do activities or work with them or want to visit them (2020) (0)
Growing Up and Growing Old (2013) (0)
Measuring HIV-1 seroprevalence among English newborns: blood spot size. (1993) (0)
Voluntary anonymous saliva testing for HIV and behavioural surveillance in a community sample of gay men (2002) (0)
infectionopportunities for diagnosing primary HIV (2008) (0)
infection Missed opportunities for diagnosing primary HIV (2008) (0)
Thetesting ofsaliva samples forHIV-1 antibodies: reliability inanon-clinic setting (1993) (0)
HIV antibodies in babies [letter] (1992) (0)
023 Undiagnosed symptomatic acute HIV infections: a 12-month retrospective analysis of cases in South London (2000) (0)
Human Immunodeﬁciency Virus (HIV) Antibody Avidity Testing To Identify Recent Infection in Newly Diagnosed HIV Type 1 (HIV-1)-Seropositive Persons Infected with Diverse HIV-1 Subtypes (cid:1) (2007) (0)
Anti-HIV testing by automated systems. (1993) (0)
Therising prevalence ofHIV-1infection in patients attending aninner city accident and emergency department (1996) (0)
Immunoglobulin-determination process. (1988) (0)
Recent trends in sexual risk behaviour among gay men in London (2003) (0)

This paper list is powered by the following services:

What Schools Are Affiliated With John Victor Parry?

John Victor Parry is affiliated with the following schools: