{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,25]],"date-time":"2026-03-25T10:47:32Z","timestamp":1774435652102,"version":"3.50.1"},"reference-count":19,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2025,10,25]],"date-time":"2025-10-25T00:00:00Z","timestamp":1761350400000},"content-version":"vor","delay-in-days":24,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100000780","name":"European Commission","doi-asserted-by":"publisher","award":["FPI IFS\/2018\/402\u2010247"],"award-info":[{"award-number":["FPI IFS\/2018\/402\u2010247"]}],"id":[{"id":"10.13039\/501100000780","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Influenza Resp Viruses"],"published-print":{"date-parts":[[2025,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>In 2020, the new pathogen SARS\u2010CoV\u20102 spread fast, causing a pandemic. Health care workers on the frontline were of course highly exposed. This study aims to analyze the risk factors of SARS\u2010CoV\u20102 infection in HCWs who have been in contact with positive patients in Niger.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A prospective cohort was conducted among HCWs from March 2020 to June 2020 in health facilities in Niamey. A questionnaire was administered at inclusion; RT\u2010PCR testing was performed if clinical signs were present. Serological testing was performed at baseline, Days 15 and 30. Univariate analysis and Cox regression were used.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Regarding inclusion criteria, 129 health care workers were included. The sex ratio (male\/female) was 0.82. The participants were mainly physicians (45.7%) and nurses (34.1%). At inclusion, the prevalence of COVID\u201019 was 34.9%. Only seronegative (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200984) were followed up; the attack incidence rate for the first month was 440 per 1000 person*month. Regarding the Cox model, the use of alcohol\u2010based hand washing was a protective factor (RR\u2009=\u20090.28,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.01). Furthermore, females were more at risk than males (RR\u2009=\u20092,\n                      <jats:italic>p<\/jats:italic>\n                      \u2010value\u2009=\u20090.049).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>HCWs in Niger were faced with high infection risk; this should lead decision\u2010makers to (i) enhance training on preventive measures and (ii) boost access to personal protective equipment in emergency and infectious disease wards.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/irv.70177","type":"journal-article","created":{"date-parts":[[2025,10,25]],"date-time":"2025-10-25T13:51:21Z","timestamp":1761400281000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["High Infection Risk Among Health Care Workers During the First SARS\u2010CoV\u20102 Wave in Niamey, Niger"],"prefix":"10.1111","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7493-2906","authenticated-orcid":false,"given":"Hamidou\u00a0Lazoumar","family":"Ramatoulaye","sequence":"first","affiliation":[{"name":"Centre de Recherche M\u00e9dicale et Sanitaire  Niamey Niger"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aliou\u00a0Sanda","family":"Abdal\u2010Kader","sequence":"additional","affiliation":[{"name":"Facult\u00e9 des Sciences et Techniques de l'Universit\u00e9 Abdou Moumouni de Niamey  Niamey Niger"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0101-9048","authenticated-orcid":false,"given":"Adamou","family":"Lagare","sequence":"additional","affiliation":[{"name":"Centre de Recherche M\u00e9dicale et Sanitaire  Niamey 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Niger"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zeinabou\u00a0Dioffo","family":"Alassan","sequence":"additional","affiliation":[{"name":"Centre de Recherche M\u00e9dicale et Sanitaire  Niamey Niger"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ibrahim","family":"Karidio","sequence":"additional","affiliation":[{"name":"Centre de Recherche M\u00e9dicale et Sanitaire  Niamey Niger"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Goni\u00a0Alhassan\u00a0Maman","family":"Bachir","sequence":"additional","affiliation":[{"name":"Facult\u00e9 des Sciences de la Sant\u00e9 de l'Universit\u00e9 Andr\u00e9 Salifou de Zinder H\u00f4pital  Zinder Niger"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Issifou","family":"Djibo","sequence":"additional","affiliation":[{"name":"Direction de la Surveillance et de la Riposte aux \u00c9pid\u00e9mies  Niamey 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