Evolution of trends in measles data from the Ansongo health district, Mali, 2016-2021

Eric  Kone; Ousmane Sy; Boureyma Belem; Hanine Kéita; , Abdoul Aziz Yehia; Souleymane Bingué Dembélé; Lamine Doumbia

doi:10.5281/zenodo.11399675

Authors

Eric Kone
Ousmane Sy
Boureyma Belem
Hanine Kéita
, Abdoul Aziz Yehia
Souleymane Bingué Dembélé
Lamine Doumbia

DOI:

https://doi.org/10.5281/zenodo.11399675

Keywords:

Evolution, tendance, data, measles, Ansongo, Mali

Abstract

Measles is a febrile rash illness caused by a morbillivirus of the Paramyxoviridae family and remains an important public health problem in many countries despite the existence of a safe and effective vaccine. Measles surveillance is one of the key aspects of combating this disease. To our knowledge, no analysis of measles surveillance data has been carried out in Ansongo so, in order to help form a basis for decision-making in a precarious security context, we initiated this study whose objective is to analyze measles surveillance data from the Ansongo health district from 2016 to 2021. Methodology: We conducted a cross-sectional study with descriptive purposes of measles surveillance data in the Ansongo health district during the period of study. The data were extracted using a form designed in Excel and then analyzed in SPSS version 25.0 software. They were analyzed in time, place and people. Frequencies, proportions and ratios were calculated. Results: In total, there were 77 reported cases of measles with zero deaths. There were 33 biologically confirmed cases, 3 by epidemiological link and 28 clinically compatible. Those under five were the most represented with 45.50% with a sex ratio of 1.2 male/female. The peaks were in 2016, 2018, 2019 and 2020 with 21, 16, 16 and 19 cases respectively and no cases were reported in 2017. Most cases appeared between January and March. The Talataye health area reported the most cases with 27.27% (N=21) while 16 out of 23 health areas reported no cases for 6 years. Vaccination coverage in the district fluctuated between 92.24% and 110.61% (sometimes above and sometimes below 95%). Conclusion: Measles evolves cyclically in Ansongo in a context marked by insecurity with vaccination coverage sometimes low and sometimes high and a lack of notification in 2017. The majority of cases are young male children not vaccinated against measles. measles or unknown vaccination status. More than two thirds of health areas remained silent. This situation would require training of health personnel, improvement of feedback of laboratory results and a revitalization of community-based surveillance.

Author Biographies

Eric Kone

Direction Régionale de la Santé de Gao, Mali

Ousmane Sy

Direction Générale de la Santé et de l’Hygiène Publique (DGSHP), Mali

Boureyma Belem

Institut National de Santé Publique (INSP), Bamako, Mali

Hanine Kéita

Direction Générale de la Santé et de l’Hygiène Publique (DGSHP), Mali

, Abdoul Aziz Yehia

Centre de Santé de Référence d’Ansongo, Région de Gao, Mali

Souleymane Bingué Dembélé

^{Hôpital de district de la Commune IV, Bamako, Mali}

Lamine Doumbia

Institut Supérieur de Santé Publique, Bamako, Mali

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