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John David Clemens

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Special Professor

Korea University

South Korea

Research Interests

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Recent Grants

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Enterics for Global Health Site Development

Open Date: 2021-01-01

Close Date: 2022-01-01

Grant: Close

COVID-19: Effectiveness of COVID-19 vaccine in Bangladesh

Open Date: 2021-01-01

Close Date: 2023-01-01

Grant: Close

Phase 1/11 clinical trial of HPV vaccines in health adults and adolescent female

Open Date: 2021-01-01

Close Date: 2024-01-01

Grant: Close

Evaluation of Euvichol-Plus in Bangladesh

Open Date: 2021-01-01

Close Date: 2024-01-01

Grant: Close

Enterics for Global Health Site Conduct

Open Date: 2021-01-01

Close Date: 2024-01-01

Articles (20)

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Collaborators (14)

Thomas Darton

University of Sheffield

UNITED KINGDOM

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Christine McGrath

Associate Professor

University of Washington

UNITED STATES

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Kelvin Kering

Senior Research Scientist

Kenya Medical Research Institute

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Young Chan Kim

Principal Investigator

University of Oxford

UNITED KINGDOM

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Susanne Gjeruldsen Dudman

Professor of Virology

University of Oslo

NORWAY

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K Zaman

Senior Scientist and Epidemiologist

icddr,b

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Andrew Pollard

Professor Sir

University of Oxford

UNITED KINGDOM

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Leonardos Mageiros

Professor

The American College of Greece

GREECE

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James Meiring

Senior Clinical Lecturer

University of Liverpool

UNITED KINGDOM

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Dr. Mohammad Tahir Yousafzai

Associate Professor

University of New South Wales

AUSTRALIA

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Merryn Voysey

University of Oxford

UNITED KINGDOM

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Sarah J. Dunstan

Principal Research Fellow

University of Melbourne

AUSTRALIA

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JOHN Benjamin Ochieng

Senior Research Scientist

Kenya Medical Research Institute

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Asma Aziz

Research Scientist

International Vaccine Institute

SOUTH KOREA

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John David Clemens

Research Interests

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Recent Grants

Articles (20)

The association between vaccine coverage and herd protection: exploratory analyses of a cluster-randomised trial of Vi conjugate vaccine.

Risk factors for spontaneous abortion following hepatitis E vaccination during and shortly before pregnancy: Further analysis from a cluster-randomized trial.

The incidence and antimicrobial resistance of Shigella-attributable diarrhoea in young children in low-income and middle-income countries from the multicountry Enterics for Global Health (EFGH) Shigella Surveillance Study: a prospective, facility-based hybrid surveillance study.

Long-term immunity and IgG subclass response following Hepatitis E vaccination: A longitudinal cohort study in Matlab, Bangladesh.

Interplay between the gut microbiome and typhoid fever: insights from endemic countries and a controlled human infection model.

Leveraging paired serology to estimate the incidence of typhoidal Salmonella infection in the STRATAA study.

Comparative Epidemiology of Salmonella enterica Serovers Paratyphi A and Typhi Causing Enteric Fever, Bangladesh, 2018-2020.

WHO preferred product characteristics for bivalent Salmonella Typhi/Paratyphi A vaccine for comprehensive protection against enteric fever- key considerations and research gaps.

Epidemiological and Clinical Features of Enterotoxigenic Escherichia coli (ETEC) Diarrhea in an Urban Slum in Dhaka, Bangladesh.

Evaluating the effectiveness of COVID-19 vaccines during a period of Omicron variant predominance among Bangladeshi population: A test-negative design measurement.

The validity of test-negative design for assessment of typhoid conjugate vaccine protection: comparison of estimates by different study designs using data from a cluster-randomised controlled trial.

Immunogenicity and safety of an Escherichia coli-produced bivalent human papillomavirus vaccine (Cecolin) in girls aged 9-14 years in Ghana and Bangladesh: a randomised, controlled, open-label, non-inferiority, phase 3 trial.

Evaluation of oral cholera vaccine (Euvichol-Plus) effectiveness against Vibrio cholerae in Bangladesh: an interim analysis.

Evaluation of naturally occurring IgG anti-Vi antibody titers as predictors and correlates of typhoid fever in Dhaka, Bangladesh.

Shigellosis in an Urban Slum in Kenya: Risk Factors and Antimicrobial Resistance.

Protection by natural cholera against later episodes of cholera over 10 years of follow-up in Matlab, Bangladesh: a retrospective cohort study.

5-year vaccine protection following a single dose of Vi-tetanus toxoid conjugate vaccine in Bangladeshi children (TyVOID): a cluster randomised trial.

Chikungunya vaccine development, challenges, and pathway toward public health impact.

Receipt of hepatitis E vaccine and fetal loss in rural Bangladesh: further analysis of a double-blind, cluster-randomised, controlled trial.

Safety and effectiveness of a recombinant hepatitis E vaccine in women of childbearing age in rural Bangladesh: a phase 4, double-blind, cluster-randomised, controlled trial.

Collaborators (14)

Thomas Darton

Christine McGrath

Kelvin Kering

Young Chan Kim

Susanne Gjeruldsen Dudman

K Zaman

Andrew Pollard

Leonardos Mageiros

James Meiring

Dr. Mohammad Tahir Yousafzai

Merryn Voysey

Sarah J. Dunstan

JOHN Benjamin Ochieng

Asma Aziz

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