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Showing 1 - 18 of 18 Items
Showing 1 - 18 of 18 Items
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Journal Article
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Research

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

Cristancho-Fajardo L, Nkuba-Ndaye A, Simons E, Hoze N, Guichet E,  et al.
2025-12-05 • American Journal of Epidemiology
2025-12-05 • American Journal of Epidemiology

Household transmission studies provided key insights on SARS-CoV-2 transmission in high-income countries but were rarely implemented in Africa. To help fill this gap, we analyzed SARS...

Journal Article
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Research
Journal Article
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Research
Conference Material
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Video

High mortality and violence among refugees and returnees from West Darfur, Sudan arriving in Chad, 2023: results from three retrospective mortality surveys

Simons E
2024-07-01 • Epicentre Scientific Day 2024
Conference Material
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Abstract
Conference Material
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Poster
Technical Report
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Survey
Conference Material
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Video

Hospital mortality by severe acute malnutrition diagnostic category among children aged 6-59 months, Katsina, Nigeria

Simons E
2023-06-08 • Epicentre Scientific Day Paris 2023
2023-06-08 • Epicentre Scientific Day Paris 2023
Conference Material
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Abstract
Journal Article
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Research
Research & Publication Resources
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Research Protocol

Seroprevalence of SARS-CoV-2 antibodies among people experiencing homelessness

Roederer T, Fourrey E, Mollo B, Vanhomwegen J, Simons E,  et al.
2020-05-01
2020-05-01
Journal Article
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Research
Journal Article
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Letter
Journal Article
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Research
Journal Article
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Research
Journal Article
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Research
Journal Article
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Research
Conference Material
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Abstract

Diagnostic criteria for severe acute malnutrition and fatal outcomes in children aged 6–59 months, Nigeria

Grellety E, Simons E, Mousset M, Roederer T, Amakade-Woyengba AP,  et al.
2025-07-01 • Bulletin of the World Health Organization
2025-07-01 • Bulletin of the World Health Organization

OBJECTIVE

To ...

High mortality and violence among refugees and returnees from West Darfur, Sudan arriving in Chad, 2023: results from three retrospective mortality surveys

Simons E, Ouedraogo P, Garnier C, Nicolet C, Sayyad-Hilario J,  et al.
2025-06-01 • BMJ Global Health
2025-06-01 • BMJ Global Health

INTRODUCTION

Fighting erupted on 15 April 2023 in Sudan between the army and the paramilitary Rapid Support Forces. By September 2023, more than 420 000 people ...

2024-07-01 • Epicentre Scientific Day 2024

High mortality and violence among refugees and returnees from West Darfur, Sudan arriving in Chad, 2023: results from three retrospective mortality surveys

Simons E, Grellety E
2024-05-23 • Epicentre Scientific Day 2024
2024-05-23 • Epicentre Scientific Day 2024

BACKGROUND

Fighting erupted on 15 April 2023 in Sudan between the army and the paramilitary Rapid Support Forces. By September 2023, more than 420,000 people had fled to Chad. T...

Enquête de mortalité, de prévalence nutritionnelle et de couverture vaccinale rougeole sur 3 camps de réfugiés soudanais et de retournés tchadiens à l’est du Tchad

Ouedraogo P, Simons E, Grellety E
2024-05-23 • Epicentre Scientific Day 2024
2024-05-23 • Epicentre Scientific Day 2024

Cross-sectional retrospective mortality, nutrition and measles vaccination coverage surveys among Sudanese refugees and Chadian returnees in Toumtouma, Ourang and Arkoum camps, Ouaddaï province, Chad (August-September 2023)

Ouedraogo P, Simons E, Grellety E
2023-11-01
2023-11-01
INTRODUCTION
Since April 15, 2023, fighting erupted in Sudan between the army led by General Abdel Fattah al-Burhan and the paramilitary Rapid Support Forces (RSF) under the command ...

Hospital mortality by severe acute malnutrition diagnostic category among children aged 6-59 months, Katsina, Nigeria

Simons E
2023-06-08 • Epicentre Scientific Day Paris 2023
2023-06-08 • Epicentre Scientific Day Paris 2023
BACKGROUND
Katsina state, in the northwest of Nigeria, has a precarious nutrition situation. Médecins Sans Frontières has been present in Katsina since 2021 after an influx of nutrit...

Seroprevalence of SARS-CoV-2 antibodies and retrospective mortality in two African settings: Lubumbashi, Democratic Republic of the Congo and Abidjan, Côte d’Ivoire

Simons E, Nikolay B, Ouedraogo P, Pasquier E, Tiemeni C,  et al.
2023-06-08 • PLOS Global Public Health
2023-06-08 • PLOS Global Public Health
Although seroprevalence studies have demonstrated the wide circulation of SARS-COV-2 in African countries, the impact on population health in these settings is still poorly understood. U...

Seroprevalence and risk factors of exposure to COVID-19 in homeless people in Paris, France: a cross-sectional study

Roederer T, Mollo B, Vincent C, Nikolay B, Llosa AE,  et al.
2021-04-01 • Lancet Public Health
2021-04-01 • Lancet Public Health
Between June 23 and July 2, 2020, 426 (52%) of 818 individuals recruited tested positive in 14 sites. Seroprevalence varied significantly by type of recruitment site (χ2 p<0·0001), being...

Prevalence of TB and health-seeking behaviour

Conan N, Simons E, Ohler L, Mbatha M, van Custem G,  et al.
2022-05-01 • International Journal of Tuberculosis and Lung Disease
2022-05-01 • International Journal of Tuberculosis and Lung Disease

Improving pediatric TB diagnosis in North Kivu (DR Congo), focusing on a clinical algorithm including targeted Xpert MTB/RIF on gastric aspirates

Van Brusselen D, Simons E, Luendo T, Habarugira D, Ngowa J,  et al.
2020-05-14 • Conflict and Health
2020-05-14 • Conflict and Health
Background
The incidence of tuberculosis (TB) in the Democratic Republic of the Congo (DRC) is 323/100,000. A context of civil conflict, internally displaced people and mining activ...

Seroprevalence of anti-SARS-CoV-2 antibodies among blood donors from December 2020 to June 2021 in Koutiala district, Mali

Temessadouno FW, Ndong JG, Gignoux EM, Coppieters Y, Ba A,  et al.
2023-01-05 • PLOS Global Public Health
2023-01-05 • PLOS Global Public Health
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the virus associated with coronavirus disease (COVID-19). At the time of the study, little data on the level of exposure o...

Successes and gaps in the HIV cascade of care of a high HIV prevalence setting in Zimbabwe: a population-based survey

Conan N, Coulborn R M, Simons E, Mapfumo A, Apollo T,  et al.
2020-09-24 • Journal of the International AIDS Society
2020-09-24 • Journal of the International AIDS Society
Introduction: Gutu, a rural district in Zimbabwe, has been implementing comprehensive HIV care with the support of Médecins Sans Frontières (MSF) since 2011, decentralizing testing and t...

Increase in HIV viral suppression in KwaZulu-Natal, South Africa: Community-based cross sectional surveys 2018 and 2013. What remains to be done?

Conan N, Simons E, Chihana ML, Ohler L, FordKamara E,  et al.
2022-03-24 • PLOS One
2022-03-24 • PLOS One
INTRODUCTION
High coverage of antiretroviral therapy (ART) in people living with HIV (PLHIV) increases viral suppression at population level and may reduce incidence. Médecins sans F...

Retrospective mortality and COVID seroprevalence during the pandemic in three African settings in Cameroon and in the cities of Abidjan and Lubumbashi

Simons E
2022-06-01 • Epicentre Scientific Day Paris 2022
2022-06-01 • Epicentre Scientific Day Paris 2022
BACKGROUND
Seroprevalence and mortality estimates are necessary to understand the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) context and to guide public health deci...