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RESUME DescriptionAvec le vieillissement de la population, survient la démence dans la population de personnes âgées. Objectif. L'objectif de cette étude était d'estimer la prévalence de cette affection dans une population de personnes âgées sénégalaises. Méthodes RésultatLa population à l'étude était composée de 872 personnes. Elles avaient un âge moyen de 67,2 ans ± 7,5. Elles étaient de sexe masculin (62,6%), mariées (79%), non instruites (50,7%). Dans les antécédents, l'HTA, le diabète, les affections respiratoires, les affections rhumatismales, la cataracte et les troubles digestifs étaient les plus fréquents. Le tabagisme et l'alcoolisme était faible alors que la marche constituait la principale activité physique. Les personnes âgées vivaient en famille avec un bon réseau social. Cinquante huit (58) personnes ont présenté une démence (6,6%). La prévalence de la maladie variait de manière significative avec l'âge et l'instruction. ConclusionCe résultat confirme que la prévalence de la démence varie en fonction de l'âge et de l'instruction de la personne âgée. SUMMARY BackgroundWith the ageing of the population, dementia is increasing.

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Introduction Although an essential frontline service in the prevention of child morbidity and mortality, there are indications that routine vaccinations have been disrupted during the COVID-19 pandemic. The present study aimed to compare vaccination coverage before COVID-19 in Mali in 2019 and one year after COVID-19 in 2020. Objective To compare vaccination coverages before COVID-19 in Mali in 2019 and one year after COVID-19 in 2020. Design Cross-sectional study. Setting and participants We collected routine immunization data from 2019 and 2020 of children under one year in the health district of Commune V in Bamako which includes twelve community health centers (CSCom). Results Overall, vaccination coverage of the nine vaccines was higher in 2019 (89.4%) compared to 2020 (79%; p < 10− 3). In 2020, low proportions of children vaccinated were observed in May (54.8%) two months after the first COVID-19 case in Mali on March 25, 2020. For all vaccines, the mean number of children vaccinated in 2019 (before COVID-19) was significantly higher than those vaccinated in 2020 after COVID-19 (p < 0.05). However, in January 2019, the number of children vaccinated with Meningococcal A vaccine in Africa (MenAfriVac), Yellow fever vaccine (VAA) and Measles vaccine (VAR) was lower in 2019 compared to 2020 (p < 10− 3). Likewise in January 2019, in September 2019 and October 2019 BCG vaccine coverage was lower in 2019 compared to 2020 (p < 10− 3). Conclusion COVID-19 pandemic has affected routine childhood vaccine coverage in Commune V of Bamako, particularly in May 2020. Therefore, new strategies are needed to improve vaccine coverage in young children below 1.

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