John Owusu Gyapong | Academic Influence

John Owusu Gyapong's AcademicInfluence.com Rankings

John Owusu Gyapong

Medical

#1092

World Rank

#1390

Historical Rank

Epidemiology

#393

World Rank

#412

Historical Rank

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Medical

John Owusu Gyapong's Degrees

Bachelors Biology University of Ghana
Masters Epidemiology University of Ghana

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Why Is John Owusu Gyapong Influential?

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According to Wikipedia, Professor John Owusu Gyapong is a Ghanaian Professor of Epidemiology. He is currently the Vice Chancellor of the University of Health and Allied Sciences, Ho Ghana. Education Gyapong obtained an MB ChB degree from Kwame Nkrumah University of Science and Technology in 1987. He undertook his postgraduate studies at the London School of Hygiene and Tropical Medicine, University of London, England where he earned an MSc in public health in developing countries in 1993, and later a Ph.D in Epidemiology in 1997.

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John Owusu Gyapong'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

The political origins of health inequity: prospects for change (2014) (496)
Vitamin A supplementation in northern Ghana: effects on clinic attendances, hospital admissions, and child mortality (1993) (380)
Prevalence and intensity of Onchocerca volvulus infection and efficacy of ivermectin in endemic communities in Ghana: a two-phase epidemiological study (2007) (356)
Genome-wide association analyses identifies a susceptibility locus for tuberculosis on chromosome 18q11.2 (2010) (333)
Phenotypic Evidence of Emerging Ivermectin Resistance in Onchocerca volvulus (2011) (255)
Autophagy Gene Variant IRGM −261T Contributes to Protection from Tuberculosis Caused by Mycobacterium tuberculosis but Not by M. africanum Strains (2009) (229)
Treatment strategies underpinning the global programme to eliminate lymphatic filariasis (2005) (207)
Pre-referral rectal artesunate to prevent death and disability in severe malaria: a placebo-controlled trial (2009) (204)
Influence of morbidity on serum retinol of children in a community-based study in northern Ghana. (1993) (196)
Common variants at 11p13 are associated with susceptibility to tuberculosis (2012) (190)
Rapid testing for malaria in settings where microscopy is available and peripheral clinics where only presumptive treatment is available: a randomised controlled trial in Ghana (2010) (177)
The epidemiology of obesity in ghana. (2005) (155)
Integration of control of neglected tropical diseases into health-care systems: challenges and opportunities (2010) (142)
Rapid mapping of schistosomiasis and other neglected tropical diseases in the context of integrated control programmes in Africa (2009) (140)
Improving adherence to malaria treatment for children: the use of pre‐packed chloroquine tablets vs. chloroquine syrup (2001) (138)
Effect of Removing Direct Payment for Health Care on Utilisation and Health Outcomes in Ghanaian Children: A Randomised Controlled Trial (2009) (137)
Epidemiology of malaria in the forest-savanna transitional zone of Ghana (2009) (119)
The use of spatial analysis in mapping the distribution of bancroftian filariasis in four West African countries (2002) (117)
Progressivity of health care financing and incidence of service benefits in Ghana. (2012) (116)
A Multicenter Evaluation of Diagnostic Tools to Define Endpoints for Programs to Eliminate Bancroftian Filariasis (2012) (114)
Impact of prepackaging antimalarial drugs on cost to patients and compliance with treatment. (2001) (113)
An analysis of the safety of the single dose, two drug regimens used in programmes to eliminate lymphatic filariasis (2000) (103)
Filariasis in northern Ghana: some cultural beliefs and practices and their implications for disease control. (1996) (102)
The economic burden of lymphatic filariasis in northern Ghana. (1996) (97)
Current practices in the management of lymphatic filariasis (2009) (96)
ALOX5 variants associated with susceptibility to human pulmonary tuberculosis. (2007) (94)
Vitamin A supplementation and childhood malaria in northern Ghana. (1995) (89)
Feasibility and acceptability of the use of artemether‐lumefantrine in the home management of uncomplicated malaria in children 6–59 months old in Ghana (2006) (87)
National Mass Drug Administration Costs for Lymphatic Filariasis Elimination (2007) (85)
Inadvertent exposure of pregnant women to ivermectin and albendazole during mass drug administration for lymphatic filariasis (2003) (83)
Impact of vitamin A supplementation on childhood morbidity in northern Ghana (1992) (82)
Randomized Controlled Trial of RTS,S/AS02D and RTS,S/AS01E Malaria Candidate Vaccines Given According to Different Schedules in Ghanaian Children (2009) (79)
Mapping Helminth Co-Infection and Co-Intensity: Geostatistical Prediction in Ghana (2011) (77)
MCP-1 promoter variant -362C associated with protection from pulmonary tuberculosis in Ghana, West Africa. (2008) (76)
The burden of hydrocele on men in Northern Ghana. (2000) (76)
Who pays for health care in Ghana? (2011) (75)
No associations of human pulmonary tuberculosis with Sp110 variants (2005) (75)
Variant G57E of Mannose Binding Lectin Associated with Protection against Tuberculosis Caused by Mycobacterium africanum but not by M. tuberculosis (2011) (72)
Impact of Community Management of Fever (Using Antimalarials With or Without Antibiotics) on Childhood Mortality: A Cluster-Randomized Controlled Trial in Ghana (2012) (72)
The epidemiology of acute adenolymphangitis due to lymphatic filariasis in northern Ghana. (1996) (69)
IL10 Haplotype Associated with Tuberculin Skin Test Response but Not with Pulmonary TB (2009) (69)
Which health research gets used and why? An empirical analysis of 30 cases (2016) (66)
Parasitological and clinical aspects of bancroftian filariasis in Kassena-Nankana District, upper east region, Ghana. (1994) (65)
Vitamin A supplementation, morbidity, and serum acute-phase proteins in young Ghanaian children. (1995) (65)
Mansonia africana and Mansonia uniformis are Vectors in the transmission of Wuchereria bancrofti lymphatic filariasis in Ghana (2012) (64)
The use of grid sampling methodology for rapid assessment of the distribution of bancroftian filariasis. (2001) (62)
Prevalence of hydrocele as a rapid diagnostic index for lymphatic filariasis. (1998) (61)
Treatment choices for fevers in children under-five years in a rural Ghanaian district (2010) (60)
The Species Mycobacterium africanum in the Light of New Molecular Markers (2004) (60)
An Open Label, Randomised Trial of Artesunate+Amodiaquine, Artesunate+Chlorproguanil-Dapsone and Artemether-Lumefantrine for the Treatment of Uncomplicated Malaria (2008) (56)
Assessing the catastrophic effects of out-of-pocket healthcare payments prior to the uptake of a nationwide health insurance scheme in Ghana (2017) (56)
Elimination of lymphatic filariasis: current perspectives on mass drug administration (2018) (56)
What happened to the IUD in Ghana? (2005) (53)
Editorial: Lymphatic filariasis endemicity – an indicator of poverty? (2004) (52)
Child morbidity and mortality following vitamin A supplementation in Ghana: time since dosing, number of doses, and time of year. (1995) (52)
Progress towards universal coverage: the health systems of Ghana, South Africa and Tanzania. (2012) (51)
What are the Technical and Allocative Efficiencies of Public Health Centres in Ghana? (2008) (51)
Introducing insecticide impregnated bednets in an area of low bednet usage: an exploratory study in north‐east Ghana (1996) (50)
Modelling the distribution and transmission intensity of lymphatic filariasis in sub-Saharan Africa prior to scaling up interventions: integrated use of geostatistical and mathematical modelling (2015) (50)
Descriptive epidemiology of lymphatic filariasis in Ghana. (1996) (45)
Pulmonary tuberculosis: virulence of Mycobacterium africanum and relevance in HIV co-infection. (2008) (43)
Factors related to retention of community health workers in a trial on community-based management of fever in children under 5 years in the Dangme West District of Ghana. (2014) (42)
Effect of vitamin A supplementation on the growth of young children in northern Ghana. (1996) (41)
Rapid community diagnosis of lymphatic filariasis. (1996) (40)
Short communication: Negative spatial association between lymphatic filariasis and malaria in West Africa (2006) (40)
Vector competence, for Wuchereria bancrofti, of the Anopheles populations in the Bongo district of Ghana (2004) (40)
Editorial: Global elimination of lymphatic filariasis: fact or fantasy? (2006) (40)
Effect on Postpartum Hemorrhage of Prophylactic Oxytocin (10 IU) by Injection by Community Health Officers in Ghana: A Community-Based, Cluster-Randomized Trial (2013) (40)
Community-directed treatment: the way forward to eliminating lymphatic filariasis as a public-health problem in Ghana (2001) (38)
Mycobacterium tuberculosis Drug Resistance, Ghana (2006) (36)
Neglected Tropical Diseases - Sub-Saharan Africa (2016) (35)
Assessment of the adherence of community health workers to dosing and referral guidelines for the management of fever in children under 5 years: a study in Dangme West District, Ghana. (2013) (35)
Profile: the Dodowa HDSS. (2013) (35)
Genotypic analysis of β-tubulin in Onchocerca volvulus from communities and individuals showing poor parasitological response to ivermectin treatment. (2012) (35)
Secondhand tobacco smoke exposure in selected public places (PM2.5 and air nicotine) and non-smoking employees (hair nicotine) in Ghana (2010) (34)
Genome-wide association analyses identifies a susceptibility locus for tuberculosis on chromosome 18 q 11 . 2 (2019) (34)
Achieving trachoma control in Ghana after implementing the SAFE strategy. (2009) (33)
Towards fair and effective North–South collaboration: realising a programme for demand-driven and locally led research (2017) (31)
Assessing the impoverishment effects of out-of-pocket healthcare payments prior to the uptake of the national health insurance scheme in Ghana (2017) (30)
Unequal distribution of resistance-conferring mutations among Mycobacterium tuberculosis and Mycobacterium africanum strains from Ghana. (2010) (30)
Fifteen years of programme implementation for the elimination of Lymphatic Filariasis in Ghana: Impact of MDA on immunoparasitological indicators (2017) (29)
Community-directed treatment : the way forward to eliminating lymphatic filariasis as a public-health problem in Ghana (2001) (28)
Lymphatic filariasis in Ghana: establishing the potential for an urban cycle of transmission (2005) (28)
Bancroftian filariasis in the Kassena Nankana District of the upper east region of Ghana: a preliminary study. (1993) (26)
Impact on postpartum hemorrhage of prophylactic administration of oxytocin 10 IU via UnijectTM by peripheral health care providers at home births: design of a community-based cluster-randomized trial (2012) (25)
Critical Analysis of Ghana's Health System With a focus on equity challenges and the National Health Insurance (2007) (24)
MCP-1 promoter variant 2362C associated with protection from pulmonary tuberculosis in Ghana, (2009) (23)
Community-Based Health Planning and Services Plus programme in Ghana: A qualitative study with stakeholders in two Systems Learning Districts on improving the implementation of primary health care (2020) (22)
An assessment of trends in the use of the IUD in Ghana. (2003) (22)
A Single Dose Oral Azithromycin versus Intramuscular Benzathine Penicillin for the Treatment of Yaws-A Randomized Non Inferiority Trial in Ghana (2017) (20)
The relationship between infection and disease in Wuchereria bancrofti infection in Ghana. (1998) (20)
Evaluation of human and mosquito based diagnostic tools for defining endpoints for elimination of Anopheles transmitted lymphatic filariasis in Ghana. (2015) (20)
Data reporting constraints for the lymphatic filariasis mass drug administration activities in two districts in Ghana: A qualitative study (2015) (20)
Lack of association between vitamin A status and measures of conjunctival epithelial integrity in young children in northern Ghana. (1994) (19)
CTLA4 Autoimmunity-Associated Genotype Contributes to Severe Pulmonary Tuberculosis in an African Population (2009) (19)
Evaluation of the filter paper blood collection method for detecting Og4C3 circulating antigen in bancroftian filariasis. (1998) (19)
Pre-referral Rectal Artesunate Treatment by Community-Based Treatment Providers in Ghana, Guinea-Bissau, Tanzania, and Uganda (Study 18): A Cluster-Randomized Trial (2016) (18)
Cochrane Reviews on Deworming and the Right to a Healthy, Worm-Free Life (2015) (18)
MCP1 haplotypes associated with protection from pulmonary tuberculosis (2011) (17)
Effect of vitamin A supplementation on the growth of young children in northern Ghana (1996) (16)
Progress towards lymphatic filariasis elimination in Ghana from 2000-2016: Analysis of microfilaria prevalence data from 430 communities (2018) (14)
Towards an Investment Case for Neglected Tropical Diseases Including new analysis of the cost of intervening against preventable NTDs in sub-Saharan Africa (2013) (14)
Urban health nexus with coronavirus disease 2019 (COVID-19) preparedness and response in Africa: Rapid scoping review of the early evidence (2021) (13)
Genetic diversity of SARS-CoV-2 infections in Ghana from 2020-2021 (2022) (13)
National population-based tuberculosis prevalence survey in Ghana, 2013. (2020) (13)
Transmission indices and microfilariae prevalence in human population prior to mass drug administration with ivermectin and albendazole in the Gomoa District of Ghana (2015) (13)
Improving the Ghanaian Safe Motherhood Programme. Evaluating the effectiveness of alternative training models and other performance improvement factors on the quality of maternal care and client outcomes. (2005) (13)
Lymphatic filariasis in Ghana: from research to control. (2000) (12)
Challenges in linking health research to policy: a commentary on developing a multi-stakeholder response to orphans and vulnerable children in Ghana (2011) (12)
Implementation and challenges of test, treat and track (T3) strategy for malaria case management in children under five years in the Bongo District, Ghana (2016) (12)
Erratum: Effect of removing direct payment for health care on utilisation and health outcomes in Ghanaian children: A randomised controlled trial (PLoS medicine (2009) 6:2 (e1000033)DOI:10.1371/journal.pmed.1000007)). (2009) (11)
Extent of Integration of Priority Interventions into General Health Systems: A Case Study of Neglected Tropical Diseases Programme in the Western Region of Ghana (2016) (11)
Genome-wide association analyses identifies a susceptibility locus for tuberculosis on chromosome 18q11.2 (2011) (10)
Development of a theory and evidence-based program to promote community treatment of fevers in children under five in a rural district in Southern Ghana: An intervention mapping approach (2017) (10)
Impact of single-dose ivermectin on community microfilaria load in bancroftian filariasis infection: two years post treatment. (2000) (10)
Impact of treating young children with antimalarials with or without antibiotics on morbidity: a cluster-randomized controlled trial in Ghana. (2013) (9)
Improving the Ghanaian Safe Motherhood Programme (2005) (9)
Community Involvement and Perceptions of the Community-Based Health Planning and Services (CHPS) Strategy for Improving Health Outcomes in Ghana: Quantitative Comparative Evidence from Two System Learning Districts of the CHPS+ Project (2020) (8)
Lay reporting of elephantiasis of the leg in northern Ghana. (1995) (7)
Prevalence and predictors of depression, anxiety, and stress among adults in Ghana: A community-based cross-sectional study (2021) (7)
Breastfeeding and weaning practices among mothers in Ghana: A population-based cross-sectional study (2021) (6)
Implications of the analysis of financing and benefit incidence in Ghana, South Africa and Tanzania for health insurance policy debates (2009) (6)
The use of placebo in a trial of rectal artesunate as initial treatment for severe malaria patients en route to referral clinics: ethical issues (2010) (6)
Lymphatic Filariasis (Elephantiasis) (2016) (5)
African regional progress and status of the programme to eliminate lymphatic filariasis: 2000–2020 (2020) (5)
The Impact of Malaria Control Interventions on Malaria and Anaemia in Children under Five after Ten Years of Implementation in the Hohoe Municipality of Ghana (2017) (5)
Is malaria immunity a possible protection against severe symptoms and outcomes of COVID-19? (2021) (5)
Sexuality, contraception, unplanned pregnancies and abortion in West Africa and Morocco : the ECAF survey (2013) (5)
Volunteer responsibilities, motivations and challenges in implementation of the community-based health planning and services (CHPS) initiative in Ghana: qualitative evidence from two systems learning districts of the CHPS+ project (2019) (5)
Erratum: Vitamin A supplementation in northern Ghana: Effects on clinic attendances, hospital admissions, and child mortality (Lancet, July 3, page 7) (1993) (4)
The Role of Health Systems in the Control of Neglected Tropical Diseases in Sub-Saharan Africa (2016) (4)
Decisions about unplanned pregnancies and abortion among women and men in Morocco and Senegal : influence of norms, practices, and institutional contexts (2014) (4)
Comparing the effectiveness and costs of alternative strategies for improving access to information and services for the IUD in Ghana. (2008) (3)
Two decades of public health achievements in lymphatic filariasis (2000–2020): reflections, progress and future challenges (2020) (3)
2.5 MONITORING AND EVALUATION (2004) (3)
Prevalence and predictors of selected risk factors of non-communicable diseases in Ghana: evidence from a sub-national survey (2021) (3)
Community utilisation and satisfaction with the community-based health planning and services initiative in Ghana: a comparative study in two system learning districts of the CHPS+ project (2020) (3)
An Overview of Neglected Tropical Diseases in Sub-Saharan Africa (2016) (3)
Efficacy of ivermectin against Onchocerca volvulus in Ghana – Authors' reply (2007) (2)
Onchocerciasis control in Ghana (1974–2016) (2021) (2)
An Assessment of Trends in the Use of the IUD in Ghana: National Results Dissemination and Utilization (2005) (2)
Trachoma in Northern Ghana: A Need for Further Studies (2010) (2)
Pre-referral artesunate in severe malaria – Authors' reply (2009) (1)
Assessing health-seeking behaviour and malaria prevention practices among communities in four districts of the Volta Region of Ghana (2021) (1)
Mansonia africana and Mansonia uniformis are Vectors in the transmission of Wuchereria bancrofti lymphatic filariasis in Ghana (2012) (1)
Supplementary Information A novel susceptibility locus for tuberculosis on chromosome 11p13 downstream the WT1 gene (2016) (1)
University of Ghana Research Report, 2013/2014 (2013) (1)
Ivermectin and the treatment of lymphatic filariasis in west Africa. (1997) (1)
Assessing health-seeking behaviour and malaria prevention practices among communities in four districts of the Volta Region of Ghana (2021) (0)
Disease Elimination in Sub Saharan Africa in the 21st Century: Fact or Fantasy (2012) (0)
Correction: Randomized Controlled Trial of RTS,S/AS02D and RTS,S/AS01E Malaria Candidate Vaccines Given According to Different Schedules in Ghanaian Children (2010) (0)
From The Lancet (1990) (0)
Tracking genetic diversity of SARS-CoV-2 infections in Ghana after one year of surveillance (2021) (0)
The State of Orphans and Vulnerable Children (2010) (0)
Development and validation of a rapid epidemiological assessment tool for lymphatic filariasis (1997) (0)
Onchocerciasis control in Ghana (1974–2016) (2021) (0)
Group Report: Designing Elimination or Eradication Initiatives that Interface Effectively with Health Systems (2011) (0)
Modelling the distribution and transmission intensity of lymphatic filariasis in sub-Saharan Africa prior to scaling up interventions: integrated use of geostatistical and mathematical modelling (2015) (0)
BOOK REVIEWS (2002) (0)
Tobacco Control in Africa: Ghana (2011) (0)
HEALTH AND DEMOGRAPHIC SURVEILLANCE SYSTEM PROFILE Profile : The Dodowa HDSS (2014) (0)
Correction: Effect of Removing Direct Payment for Health Care on Utilisation and Health Outcomes in Ghanaian Children: A Randomised Controlled Trial (2009) (0)
Building ownership of research in Ghana. (2009) (0)
School-based hand washing using the ‘tippy-tap’ intervention in basic public schools Ghana: A Pre- and Post- Descriptive study in the Volta Region (2020) (0)
ATSA synthesis : Ghana chapter (2010) (0)
Transmission indices and microfilariae prevalence in human population prior to mass drug administration with ivermectin and albendazole in the Gomoa District of Ghana (2015) (0)
What Happened To The I.U.D. In Ghana (2005) (0)
The clinical epidemiology and prospects for control of lymphatic filariasis in Africa. (1999) (0)
Treating Severe Malaria with Pre-Referral Artesunate Saves Lives and Prevents CNS Damage (2009) (0)

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