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List of works by Jean Gratz

1206. Risk Factors of Antibiotic Resistance in E. coli Isolated from the MAL-ED Birth Cohort Study in Rural Tanzania

scholarly article by Molly Fleece et al published November 2018 in Open Forum Infectious Diseases

A Laboratory-Developed TaqMan Array Card for Simultaneous Detection of 19 Enteropathogens ⬇️

scientific article published on November 21, 2012

Application of quantitative second-line drug susceptibility testing at a multidrug-resistant tuberculosis hospital in Tanzania

scientific article

Assessment of environmental enteropathy in the MAL-ED cohort study: theoretical and analytic framework

scientific article published in November 2014

Association between stool enteropathogen quantity and disease in Tanzanian children using TaqMan array cards: a nested case-control study

scientific article

Baseline Characteristics of Study Participants in the Early Life Interventions for Childhood Growth and Development in Tanzania (ELICIT) Trial

scientific article published on 10 August 2020

Correction: Prevalence and extent of heteroresistance by next generation sequencing of multidrug-resistant tuberculosis

scientific article published on 7 July 2017

Detection of Campylobacter in stool and determination of significance by culture, enzyme immunoassay, and PCR in developing countries

scientific article published on 22 January 2014

Development and assessment of molecular diagnostic tests for 15 enteropathogens causing childhood diarrhoea: a multicentre study

scientific article

Development of a TaqMan Array Card for Acute-Febrile-Illness Outbreak Investigation and Surveillance of Emerging Pathogens, Including Ebola Virus

scientific article

Development of a multiplex polymerase chain reaction assay for diarrheagenic Escherichia coli and Shigella spp. and its evaluation on colonies, culture broths, and stool ⬇️

scientific article published on April 25, 2012

Diagnosis and interim treatment outcomes from the first cohort of multidrug-resistant tuberculosis patients in Tanzania

scientific article

Discordance across several methods for drug susceptibility testing of drug-resistant Mycobacterium tuberculosis isolates in a single laboratory

scientific article

Early Life Interventions for Childhood Growth and Development in Tanzania (ELICIT): a protocol for a randomised factorial, double-blind, placebo-controlled trial of azithromycin, nitazoxanide and nicotinamide. ⬇️

scientific article published on 7 July 2018

Enteroaggregative E. coli Subclinical Infection and co-Infections and Impaired Child Growth in the MAL-ED Cohort Study

scientific article published on 12 September 2017

Epidemiology and Impact of Campylobacter Infection in Children in 8 Low-Resource Settings: Results From the MAL-ED Study

scientific article published on 7 August 2016

Establishment of haematological and immunological reference values for healthy Tanzanian children in Kilimanjaro Region

scientific article

Etiology of Diarrhea, Nutritional Outcomes, and Novel Intestinal Biomarkers in Tanzanian Infants

scientific article

Etiology of Pediatric Meningitis in West Africa Using Molecular Methods in the Era of Conjugate Vaccines against Pneumococcus, Meningococcus, and Haemophilus influenzae Type b

scientific article published on 26 May 2020

Etiology of severe invasive infections in young infants in rural settings in sub-Saharan Africa

scientific article published in 2022

Evaluation of cytokines in peripheral blood mononuclear cell supernatants for the diagnosis of tuberculosis

scholarly article by Margaretha Sariko et al published 2019 in Journal of Inflammation Research

Evaluation of the Antibody in Lymphocyte Supernatant Assay to Detect Active Tuberculosis

scientific article

Exposure to aflatoxin and fumonisin in children at risk for growth impairment in rural Tanzania ⬇️

scientific article published on 12 March 2018

Fecal markers of intestinal inflammation and permeability associated with the subsequent acquisition of linear growth deficits in infants

scientific article published on 26 November 2012

Genotypic antimicrobial resistance assays for use on E. coli isolates and stool specimens

scientific article published on 10 May 2019

Glycated hemoglobin screening identifies patients admitted for retreatment of tuberculosis at risk for diabetes in Tanzania

scientific article

Impact of Water Quality, Sanitation, Handwashing, and Nutritional Interventions on Enteric Infections in Rural Zimbabwe: The Sanitation Hygiene Infant Nutrition Efficacy (SHINE) Trial

scientific article published on 01 March 2020

Impact of rotavirus vaccine introduction and post-introduction etiology of diarrhea requiring hospital admission in Haydom, Tanzania, a rural African setting

scientific article

Improvement in plasma drug activity during the early treatment interval among Tanzanian patients with multidrug-resistant tuberculosis

scientific article

Integrated microfluidic card with TaqMan probes and high-resolution melt analysis to detect tuberculosis drug resistance mutations across 10 genes

scientific article

Longitudinal Assessment of Antibiotic Resistance in Fecal Escherichia coli in Tanzanian Children

scientific article published on 01 May 2019

Microbiologic methods utilized in the MAL-ED cohort study

scientific article published in November 2014

Molecular genotyping and quantitation assay for rotavirus surveillance

scientific article

Multiplex polymerase chain reaction method to detect Cyclospora, Cystoisospora, and Microsporidia in stool samples ⬇️

scientific article published on October 6, 2011

Multiplex real time PCR panels to identify fourteen colonization factors of enterotoxigenic Escherichia coli (ETEC)

scientific article

Multiplex reverse transcription PCR Luminex assay for detection and quantitation of viral agents of gastroenteritis

scientific article

Optimization of Quantitative PCR Methods for Enteropathogen Detection

scientific article

Pathogen-specific burdens of community diarrhoea in developing countries: a multisite birth cohort study (MAL-ED).

scientific article published on 17 July 2015

Pharmacokinetics of First-Line Drugs Among Children With Tuberculosis in Rural Tanzania

scientific article published on 01 February 2020

Plasma Tryptophan and the Kynurenine-Tryptophan Ratio are Associated with the Acquisition of Statural Growth Deficits and Oral Vaccine Underperformance in Populations with Environmental Enteropathy

scientific article published on 8 August 2016

Plasma drug activity assay for treatment optimization in tuberculosis patients

scientific article

Plasma drug activity in patients on treatment for multidrug-resistant tuberculosis

scientific article

Prevalence and extent of heteroresistance by next generation sequencing of multidrug-resistant tuberculosis

scientific article

Pyrazinamide Susceptibility and pncA Mutation Profiles of Mycobacterium tuberculosis among Multidrug-Resistant Tuberculosis Patients in Bangladesh

scientific article published on 19 June 2017

Pyrazinamide susceptibility testing of Mycobacterium tuberculosis by high resolution melt analysis

scientific article

Quantitative drug-susceptibility in patients treated for multidrug-resistant tuberculosis in Bangladesh: implications for regimen choice

scientific article

Rotavirus infection and disease in a multi-site birth cohort: Results from the MAL-ED study

scientific article published on 3 May 2017

Sensititre MycoTB plate compared to Bactec MGIT 960 for first- and second-line antituberculosis drug susceptibility testing in Tanzania: a call to operationalize MICs

scientific article

Simultaneous detection of six diarrhea-causing bacterial pathogens with an in-house PCR-luminex assay

scientific article

The clinical presentation of culture-positive and culture-negative, qPCR-attributable shigellosis in the Global Enteric Multicenter Study and derivation of a Shigella severity score: implications for pediatric Shigella vaccine trials

scientific article published on 12 October 2020

The etiology, risk factors, and interactions of enteric infections and malnutrition and the consequences for child health and development study (MAL-ED): description of the Tanzanian site

scientific article

Underestimated pyrazinamide resistance may compromise outcomes of pyrazinamide containing regimens for treatment of drug susceptible and multi-drug-resistant tuberculosis in Tanzania

scholarly article by Saumu Pazia Juma et al published 7 February 2019 in BMC Infectious Diseases

Use of TaqMan Array Cards to Screen Outbreak Specimens for Causes of Febrile Illness in Tanzania

scientific article published on 2 April 2018

Use of quantitative molecular diagnostic methods to assess the aetiology, burden, and clinical characteristics of diarrhoea in children in low-resource settings: a reanalysis of the MAL-ED cohort study

scientific article published in October 2018

Use of quantitative molecular diagnostic methods to identify causes of diarrhoea in children: a reanalysis of the GEMS case-control study

scientific article

Use of quantitative molecular diagnostic methods to investigate the effect of enteropathogen infections on linear growth in children in low-resource settings: longitudinal analysis of results from the MAL-ED cohort study

scientific article published in October 2018

Whole genome sequencing-based drug resistance predictions of multidrug-resistant <i>Mycobacterium tuberculosis</i> isolates from Tanzania

scientific article published on 21 April 2022

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