Publications

Assessing SARS-CoV-2 transmission in African households from the reanalysis of serosurveys.

Abstract

Household transmission studies provided key insights on SARS-CoV-2 transmission in high-income countries but were rarely implemented in Africa.

Cristancho-Fajardo L Nkuba-Ndaye A Simons E Hozé N Guichet E Izia YA Ndongo FA Mbala-Kingebeni P Soumah AA Muzinga J Tshiminyi-Munkamba P Diallo MSK Bissek AZ Makiala-Mandanda S Toure A Ahuka-Mundeke S Ayouba A Etard JF Peeters M Roche B Nikolay B Delaporte E Cauchemez S
American journal of epidemiology 2025 Dec 05; . doi: 10.1093/aje/kwaf269. Epub 2025 12 05
Chain-binomial model Covid-19 Household transmission Missing data Serosurveys

Optimal anthropometric discharge criteria from treatment of wasting: meta-analysis of individual patient data from 34 studies.

Abstract

BACKGROUND: Community-based treatment of acute malnutrition saves lives, but recovered children remain at risk of relapse postdischarge. Strategies to reduce this risk may include modification of anthropometric discharge criteria.

Bliznashka L Chaudhary S Rattigan SM Isanaka S
The American journal of clinical nutrition 2025 Dec ; 122(6); . doi: 10.1016/j.ajcnut.2025.09.010. Epub 2025 10 20
acute malnutrition anthropometry discharge relapse wasting

Diagnostic Accuracy of Lung Ultrasound for Pulmonary Tuberculosis in out-patients from Papua New Guinea, a Resource-Limited setting.

Abstract

OBJECTIVE: to evaluate the diagnostic accuracy of lung ultrasound (LUS) for pulmonary tuberculosis (PTB) in Papua New Guinea.

Lightowler M Min J Nape A Galowa T Hemo C Stratta E Fentress M Weber S Huson M Sannino L Nicholas S Huerga H
International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases 2025 Nov 23; . doi: 10.1016/j.ijid.2025.108239. Epub 2025 11 23
Lung ultrasound Papua New Guinea Pulmonary Tuberculosis Resource-Limited Settings diagnostic accuracy

Diagnostic accuracy of the WHO tuberculosis treatment decision algorithms for children with presumptive tuberculosis: An individual participant data meta-analysis.

Abstract

INTRODUCTION: In 2023, almost 200,000 children under 15 years died from tuberculosis, most without appropriate treatment.

Olbrich L Larsson L Dunbar R Dodd PJ Palmer M Huyen Ton Nu Nguyet M d'Elbée M Hesseling AC Heinrich N Zar HJ Ntinginya NE Khosa C Nliwasa M Verghese VP Bonnet M Wobudeya E Nduna B Moh R Mwanga-Amumpere J Mustapha A Breton G Taguebue JV Borand L Chabala C Marcy O Seddon JA van der Zalm MM
PLoS medicine 2025 Nov ; 22(11); . doi: 10.1371/journal.pmed.1004610. Epub 2025 11 18

Effect of prenatal multiple micronutrient supplements and medium-quantity lipid-based nutritional supplements on maternal weight gain and infant birth weight in rural Niger: a cluster-randomised trial.

Abstract

INTRODUCTION: The risk of adverse birth outcomes, such as low birth weight (2500 g, LBW), is associated with poor maternal nutrition and weight gain in pregnancy and can increase the risk of infant mortality.

Rattigan SM Garba S Plikaytis B Sudfeld C Guindo O Soumana I Langendorf C Grais R Isanaka S
BMJ global health 2025 Nov 03; 10(11); . doi: 10.1136/bmjgh-2025-021013. Epub 2025 11 03
Nutritional and metabolic disorders Other infection, disease, disorder, or injury

Behavioral HIV-serosurvey reveals clustering of risk factors likely plays a key role in sustaining HIV epidemic in rural KwaZulu-Natal, South Africa.

Abstract

New Human immunodeficiency virus (HIV) infections among adults have decreased in the last ten years in high HIV prevalent countries.

Conan N Ben-Farhat J Ohler L Kenyon C Van Cutsem G Huerga H
BMC public health 2025 Oct 10; 25(1); . doi: 10.1186/s12889-025-24611-1. Epub 2025 10 10
Antiretrovial therapy HIV transmission Kwazulu-Natal Sexual behavior Viral suppression

Effect of caregiver training on knowledge and confidence of at-home clinical and anthropometric surveillance of children with uncomplicated severe acute malnutrition: analysis of a cross-over cluster randomised trial in Sokoto, Nigeria.

Abstract

INTRODUCTION: Patient-centred task-shifting models may be a promising strategy in the community-based management of severe acute malnutrition (SAM) to alleviate pressure on health systems and increase access to treatment in low-resourc

Ali NB Hitchings MD Berthé F Aruna P Shehu I Nanama S Steve-Edemba C Grais RF Isanaka S
BMJ global health 2025 Oct 06; 10(10); . doi: 10.1136/bmjgh-2024-018559. Epub 2025 10 06
Child health Delivery of Health Care Marasmus Nutrition Randomised control trial

High Infection Risk Among Health Care Workers During the First SARS-CoV-2 Wave in Niamey, Niger.

Abstract

BACKGROUND: In 2020, the new pathogen SARS-CoV-2 spread fast, causing a pandemic. Health care workers on the frontline were of course highly exposed.

Ramatoulaye HL Abdal-Kader AS Lagare A Maiga MA Aliane FA Sylviane FCA Issa I Sidikou BA Oumarou GI Sidiki A Aouta ZA Moussa A Alassan ZD Karidio I Bachir GAM Djibo I Moussa S Laminou IM Jambou R Richard V
Influenza and other respiratory viruses 2025 Oct ; 19(10); . doi: 10.1111/irv.70177. Epub 2025 10 25
COVID‐19 Niger health workers risk factors

Evaluating the diagnostic accuracy of WHO-recommended treatment decision algorithms for childhood tuberculosis using an individual person dataset: a study protocol.

Abstract

INTRODUCTION: In 2022, the WHO conditionally recommended the use of treatment decision algorithms (TDAs) for treatment decision-making in children 10 years with presumptive tuberculosis (TB), aiming to decrease the substantial case det

Olbrich L Larsson L Dodd PJ Palmer M Nguyen MHTN d'Elbée M Hesseling AC Heinrich N Zar HJ Ntinginya NE Khosa C Nliwasa M Verghese V Bonnet M Wobudeya E Nduna B Moh R Mwanga J Mustapha A Breton G Taguebue JV Borand L Marcy O Chabala C Seddon J van der Zalm MM
BMJ open 2025 Sep 17; 15(9); . doi: 10.1136/bmjopen-2024-094954. Epub 2025 09 17
Child Clinical Decision-Making Tuberculosis