Publications by authors named "John D Clemens"

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Evaluating the effectiveness of COVID-19 vaccines during a period of Omicron variant predominance among Bangladeshi population: A test-negative design measurement.
Md Taufiqul Islam, Farhana Khanam, Faisal Ahmmed, Md Nazmul Hasan Rajib, Md Ismail Hossen, John D Clemens

Hum Vaccin Immunother· December 2025

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Comparative Epidemiology of Salmonella enterica Serovers Paratyphi A and Typhi Causing Enteric Fever, Bangladesh, 2018-2020.
Sadia Isfat Ara Rahman, Md Golam Firoj, Se Eun Park, Farhana Khanam, Suneth Agampodi, John D Clemens

Emerg Infect Dis· October 2025

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Leveraging paired serology to estimate the incidence of typhoidal Salmonella infection in the STRATAA study.
Jo Walker, Paula Russell, Leanne Kermack, Tan Trinh Van, Tran Vu Thieu Nga, John D Clemens

PLoS Negl Trop Dis· October 2025

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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.
Tsiri Agbenyega, Anne E Schuind, Samuel Adjei, Kalpana Antony, John J Aponte, John D Clemens

Lancet Infect Dis· August 2025

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Epidemiological and Clinical Features of Enterotoxigenic (ETEC) Diarrhea in an Urban Slum in Dhaka, Bangladesh.
Fahima Chowdhury, Md Taufiqul Islam, Faisal Ahmmed, Afroza Akter, Martin Bundi Mwebia, John D Clemens

Open Forum Infect Dis· July 2025

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Interplay between the gut microbiome and typhoid fever: insights from endemic countries and a controlled human infection model.
Philip M Ashton, Leonardos Mageiros, James E Meiring, Angeziwa Chunga-Chirambo, Farhana Khanam, John D Clemens

Microbiome· July 2025

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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.
Shuo Feng, Yiyuan Zhang, Farhana Khanam, Merryn Voysey, Virginia E Pitzer, John D Clemens

Lancet Glob Health· June 2025

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Protection by natural cholera against later episodes of cholera over 10 years of follow-up in Matlab, Bangladesh: a retrospective cohort study.
Masuma Hoque, Deok Ryun Kim, Faisal Ahmmed, Md Taufiqul Islam, Justin Im, John D Clemens

Lancet Microbe· March 2025

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Evaluation of oral cholera vaccine (Euvichol-Plus) effectiveness against in Bangladesh: an interim analysis.
Farhana Khanam, Md Taufiqul Islam, Faisal Ahmmed, Md Nazmul Hasan Rajib, Md Ismail Hossen, John D Clemens

BMJ Glob Health· February 2025

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Shigellosis in an Urban Slum in Kenya: Risk Factors and Antimicrobial Resistance.
Beatrice Atieno Ongadi, Asma Binte Aziz, Cecilia Kathure Mbae, Moses Mwangi, Kelvin Kering, John D Clemens

Open Forum Infect Dis· February 2025

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Evaluation of naturally occurring IgG anti-Vi antibody titers as predictors and correlates of typhoid fever in Dhaka, Bangladesh.
Farhana Khanam, Natasha Y Rickett, Faisal Ahmmed, Md Taufiqul Islam, Cecilia Kathure Mbae, John D Clemens

BMC Infect Dis· January 2025

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Cytokine Storm among Bangladeshi adults with COVID-19: A prospective cohort study.
Monira Sarmin, Fhameda Akter, Anika Nawrin Islam, Mustafa Mahfuz, Subhasish Das, John David Clemens

Heliyon· December 2024

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Hepatitis E vaccine and fetal loss: the potential pathophysiological basis - Authors' reply.
Asma Binte Aziz, Susanne Dudman, Khalequ Zaman, John D Clemens

Lancet Glob Health· November 2024

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5-year vaccine protection following a single dose of Vi-tetanus toxoid conjugate vaccine in Bangladeshi children (TyVOID): a cluster randomised trial.
Firdausi Qadri, Farhana Khanam, Yiyuan Zhang, Prasanta Kumar Biswas, Merryn Voysey, John D Clemens

Lancet· October 2024

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Pathogen diversity and antimicrobial resistance transmission of Salmonella enterica serovars Typhi and Paratyphi A in Bangladesh, Nepal, and Malawi: a genomic epidemiological study.
Zoe A Dyson, Philip M Ashton, Farhana Khanam, Angeziwa Chunga Chirambo, Mila Shakya, John D Clemens

Lancet Microbe· August 2024

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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.
Khalequ Zaman, Cathinka Halle Julin, Asma Binte Aziz, Kathrine Stene-Johansen, Md Yunus, John D Clemens

Lancet Glob Health· August 2024

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Receipt of hepatitis E vaccine and fetal loss in rural Bangladesh: further analysis of a double-blind, cluster-randomised, controlled trial.
Asma Binte Aziz, Susanne Dudman, Cathinka Halle Julin, Faisal Ahmmed, Kathrine Stene-Johansen, John D Clemens

Lancet Glob Health· August 2024

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Spatial and temporal clustering of typhoid fever in an urban slum of Dhaka City: Implications for targeted typhoid vaccination.
Faisal Ahmmed, Farhana Khanam, Md Taufiqul Islam, Deok Ryun Kim, Sophie Kang, John D Clemens

PLoS Negl Trop Dis· June 2024

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Effectiveness of bubble continuous positive airway pressure for treatment of children aged 1-59 months with severe pneumonia and hypoxaemia in Ethiopia: a pragmatic cluster-randomised controlled trial.
Meseret Gebre, Kassa Haile, Trevor Duke, Md Tanveer Faruk, Mehnaz Kamal, John D Clemens

Lancet Glob Health· May 2024

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Implementation of bubble continuous positive airway pressure for children with severe pneumonia and hypoxemia in intensive care unit of Dhaka Hospital, Bangladesh-Effect on pneumonia mortality.
Mohammod J Chisti, John D Clemens, Shahunja K M, Abu S M S B Shahid, Monira Sarmin

Pediatr Pulmonol· April 2024

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Incidence of typhoid fever in Burkina Faso, Democratic Republic of the Congo, Ethiopia, Ghana, Madagascar, and Nigeria (the Severe Typhoid in Africa programme): a population-based study.
Florian Marks, Justin Im, Se Eun Park, Gi Deok Pak, Hyon Jin Jeon, John D Clemens

Lancet Glob Health· April 2024

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Impact of SARS-CoV-2 vaccines on Covid-19 incidence and mortality in the United States.
Fang Fang, John David Clemens, Zuo-Feng Zhang, Timothy F Brewer

PLoS One· April 2024

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The Enterics for Global Health (EFGH) Surveillance Study in Bangladesh.
Farhana Khanam, Md Taufiqul Islam, Taufiqur Rahman Bhuiyan, Md Ismail Hossen, Md Nazmul Hasan Rajib, John D Clemens

Open Forum Infect Dis· March 2024

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Do Oral Cholera Vaccine and Water, Sanitation, and Hygiene Combine to Provide Greater Protection Against Cholera? Results From a Cluster-Randomized Trial of Oral Cholera Vaccine in Kolkata, India.
Justin Im, Md Taufiqul Islam, Faisal Ahmmed, Deok Ryun Kim, Birkneh Tilahun Tadesse, John D Clemens

Open Forum Infect Dis· January 2024

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Better Existing Water, Sanitation, and Hygiene Can Reduce the Risk of Cholera in an Endemic Setting: Results From a Prospective Cohort Study From Kolkata, India.
Md Taufiqul Islam, Justin Im, Faisal Ahmmed, Deok Ryun Kim, Birkneh Tilahun Tadesse, John D Clemens

Open Forum Infect Dis· November 2023

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