ArticleInfluenza and other respiratory viruses2022
SARS-CoV-2 infection rate in Antananarivo frontline health care workers, Madagascar.
Article in Influenza and other respiratory viruses, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- MediLabSecure: A decade of One Health actions to prevent emerging vector-borne diseases in the Mediterranean, Sahel and Black Sea regions.One health (Amsterdam, Netherlands) · 2026Review
- Influence of the Workplace on Influenza and COVID-19 Vaccination Acceptance Among Swiss Healthcare Workers During Season 2021/22.International journal of public health · 2026Article
- High Infection Risk Among Health Care Workers During the First SARS-CoV-2 Wave in Niamey, Niger.Influenza and other respiratory viruses · 2025Article
- A multi-site cross-sectional study on the burden of SARS-CoV-2 in healthcare workers in Madagascar.PloS one · 2024Article
- Seroprevalence of SARS-CoV-2 antibodies in Republic of Congo, February 2022.Epidemiology and infection · 2023Article
- Primary healthcare workers' COVID-19 infection status following implementation of adjusted epidemic prevention and control strategies: a cross-sectional study in Jiangsu, China.Frontiers in public health · 2023Article
- SARS-CoV-2 infection rate in Antananarivo frontline health care workers, Madagascar.Influenza and other respiratory viruses · 2022Article
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15 authors.
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Abstract
backgroundHealth care workers (HCWs) represent a vulnerable population during epidemic periods. Our cohort study aimed to estimate the risk of infection and associated factors among HCWs during the first wave of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in Madagascar.
methodsA prospective cohort study was carried out in three hospitals that oversaw the first cases of COVID-19. Monthly ELISA-based serological tests were conducted, and nasopharyngeal swabs were collected in the case of symptoms linked to COVID-19 for RT-PCR analysis. Survival analyses were used to determine factors associated with SARS-CoV-2 infection.
resultsThe study lasted 7 months from May 2020. We included 122 HCWs, 61.5% of whom were women. The median age was 31.9 years (IQR: 26.4-42.3). In total, 42 (34.4%) had SARS-CoV-2 infections, of which 20 were asymptomatic (47.6%). The incidence of SARS-CoV-2 infection was 9.3% (95% CI [6.5-13.2]) person-months. Sixty-five HCWs presented symptoms, of which 19 were positive by RT-PCR. When adjusted for exposure to deceased cases, infection was more frequent in HCWs younger than 30 years of age (RR = 4.9, 95% CI [1.4-17.2]).
conclusionOur results indicate a high incidence of infection with SARS-CoV-2 among HCWs, with a high proportion of asymptomatic cases. Young HCWs are more likely to be at risk than others. Greater awareness among young people is necessary to reduce the threat of infection among HCWs.
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