{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T20:29:04Z","timestamp":1790022544711,"version":"4.0.1"},"reference-count":40,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T00:00:00Z","timestamp":1779148800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000865","name":"Bill and Melinda Gates Foundation","doi-asserted-by":"publisher","award":["INV-050512"],"award-info":[{"award-number":["INV-050512"]}],"id":[{"id":"10.13039\/100000865","id-type":"DOI","asserted-by":"publisher"}]},{"award":["INV-050512"],"award-info":[{"award-number":["INV-050512"]}],"id":[{"id":"https:\/\/ror.org\/0456r8d26","id-type":"ROR","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000865","name":"World Health Organization","doi-asserted-by":"publisher","award":["INV-050512"],"award-info":[{"award-number":["INV-050512"]}],"id":[{"id":"10.13039\/100000865","id-type":"DOI","asserted-by":"publisher"}]},{"award":["INV-050512"],"award-info":[{"award-number":["INV-050512"]}],"id":[{"id":"https:\/\/ror.org\/01f80g185","id-type":"ROR","asserted-by":"publisher"}]},{"name":"UNDP-UNFPA-UNICEF-WHO-World Bank Special Program of Research, Development and Research Training in Human Reproduction"},{"name":"German Federal Ministry of Health"},{"DOI":"10.13039\/501100000023","name":"Government of Canada","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100000023","id-type":"DOI","asserted-by":"crossref"}]},{"id":[{"id":"https:\/\/ror.org\/010q4q527","id-type":"ROR","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000194","name":"United States Department of State","doi-asserted-by":"crossref","id":[{"id":"10.13039\/100000194","id-type":"DOI","asserted-by":"crossref"}]},{"id":[{"id":"https:\/\/ror.org\/03vvynj75","id-type":"ROR","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pathogens"],"abstract":"<jats:p>Hepatitis E is a liver inflammation caused by the hepatitis E virus (HEV). In pregnant women, the infection significantly increases the risk of acute liver failure, fetal loss, and maternal death. According to the World Health Organization, infection by HEV during the third trimester of pregnancy may increase the risk of maternal mortality in 20\u201325% of cases. In Tunisia, little is known about HEV infection and its outcome, especially in pregnant women. This study aims to evaluate the prevalence of HEV infection in a large cohort of pregnant women in Tunisia. A total of 891 women who attended the Centre of Maternity and Neonatology of Tunis during 2021\u20132023 were included. Serum samples were screened to detect HEV-antibodies and RNA using commercial ELISA tests and molecular assays, respectively. Statistical analyses were conducted using SPSS 21.0 software and the EPISTAT package version 7.2.6. Seroprevalence of HEV infection was 3.82%, based on the detection of anti-HEV IgG. The distribution of the seroprevalence according to age was statistically significant (p &lt; 0.05), showing a higher seroprevalence among women over 30 years. Among the 51 women with composite outcomes, viral RNA was detected in one case by real-time RT-PCR. Our findings indicate a low HEV prevalence among pregnant women in Tunisia. Expanding the study to other cohorts and to environmental surveillance would improve understanding of HEV burden in Tunisia and support hepatitis elimination efforts.<\/jats:p>","DOI":"10.3390\/pathogens15050549","type":"journal-article","created":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T16:07:26Z","timestamp":1779206846000},"page":"549","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Prevalence of Hepatitis E Virus Infection Among Pregnant Women in Tunisia: Findings from a Large Cohort Study"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0872-5706","authenticated-orcid":false,"given":"Kaouther","family":"Ayouni","sequence":"first","affiliation":[{"name":"Laboratory of Clinical Virology, WHO Reference Laboratory for Poliomyelitis and Measles in the Eastern Mediterranean Region, Pasteur Institute of Tunis, University of Tunis El Manar, 13 Place Pasteur, BP 74, Tunis 1002, Tunisia"},{"name":"Research Laboratory, \u201cVirus, Vector and Host: One Health Approach and Technological Innovation for a Better Health\u201d (LR20IPT02), Pasteur Institute of Tunis, University of Tunis El Manar, 13 Place Pasteur, BP 74, Tunis 1002, Tunisia"},{"name":"Faculty of Sciences of Tunis, University of Tunis El Manar, Campus Universitaire El Manar, Tunis 2092, Tunisia"},{"name":"Clinical Investigation Center (CIC2016IPT02), Institut Pasteur de Tunis, University of Tunis El Manar, 13 Place Pasteur, Tunis 1002, Tunisia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2031-6534","authenticated-orcid":false,"given":"Mariem","family":"Gdoura","sequence":"additional","affiliation":[{"name":"Laboratory of Clinical Virology, WHO Reference Laboratory for Poliomyelitis and Measles in the Eastern Mediterranean Region, Pasteur Institute of Tunis, University of Tunis El Manar, 13 Place Pasteur, BP 74, Tunis 1002, Tunisia"},{"name":"Clinical Investigation Center (CIC2016IPT02), Institut Pasteur de Tunis, University of Tunis El Manar, 13 Place Pasteur, Tunis 1002, Tunisia"},{"name":"Faculty of Pharmacy of Monastir, University of Monastir, Monastir 5000, Tunisia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rania","family":"All\u00e8gue","sequence":"additional","affiliation":[{"name":"Laboratory of Clinical Virology, WHO Reference Laboratory for Poliomyelitis and Measles in the Eastern Mediterranean Region, Pasteur Institute of Tunis, University of Tunis El Manar, 13 Place Pasteur, BP 74, Tunis 1002, Tunisia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Majdi Ben","family":"Ameur","sequence":"additional","affiliation":[{"name":"Laboratory of Clinical Virology, WHO Reference Laboratory for Poliomyelitis and Measles in the Eastern Mediterranean Region, Pasteur Institute of Tunis, University of Tunis El Manar, 13 Place Pasteur, BP 74, Tunis 1002, Tunisia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Henda","family":"Touzi","sequence":"additional","affiliation":[{"name":"Laboratory of Clinical Virology, WHO Reference Laboratory for Poliomyelitis and Measles in the Eastern Mediterranean Region, Pasteur Institute of Tunis, University of Tunis El Manar, 13 Place Pasteur, BP 74, Tunis 1002, Tunisia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nesrine","family":"Abderahmane","sequence":"additional","affiliation":[{"name":"Laboratory of Clinical Virology, WHO Reference Laboratory for Poliomyelitis and Measles in the Eastern Mediterranean Region, Pasteur Institute of Tunis, University of Tunis El Manar, 13 Place Pasteur, BP 74, Tunis 1002, Tunisia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Khaoula","family":"Magdoud","sequence":"additional","affiliation":[{"name":"Department of Gynecology Emergency, Center of Maternity and Neonatology, Boulevard 9 Avril, Tunis 1006, Tunisia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-4175-8227","authenticated-orcid":false,"given":"Hiba","family":"Mkadmi","sequence":"additional","affiliation":[{"name":"Department of Gynecology Emergency, Center of Maternity and Neonatology, Boulevard 9 Avril, Tunis 1006, Tunisia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rim Ben","family":"Hmid","sequence":"additional","affiliation":[{"name":"Department of Gynecology Emergency, Center of Maternity and Neonatology, Boulevard 9 Avril, Tunis 1006, Tunisia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Henda","family":"Triki","sequence":"additional","affiliation":[{"name":"Laboratory of Clinical Virology, WHO Reference Laboratory for Poliomyelitis and Measles in the Eastern Mediterranean Region, Pasteur Institute of Tunis, University of Tunis El Manar, 13 Place Pasteur, BP 74, Tunis 1002, Tunisia"},{"name":"Research Laboratory, \u201cVirus, Vector and Host: One Health Approach and Technological Innovation for a Better Health\u201d (LR20IPT02), Pasteur Institute of Tunis, University of Tunis El Manar, 13 Place Pasteur, BP 74, Tunis 1002, Tunisia"},{"name":"Clinical Investigation Center (CIC2016IPT02), Institut Pasteur de Tunis, University of Tunis El Manar, 13 Place Pasteur, Tunis 1002, Tunisia"},{"name":"Faculty of Medicine of Tunis, University of Tunis El Manar, 15 Rue Djebel Lakhdhar, La Rabta, Tunis 1007, Tunisia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5616-0204","authenticated-orcid":false,"given":"Anissa","family":"Chouikha","sequence":"additional","affiliation":[{"name":"Laboratory of Clinical Virology, WHO Reference Laboratory for Poliomyelitis and Measles in the Eastern Mediterranean Region, Pasteur Institute of Tunis, University of Tunis El Manar, 13 Place Pasteur, BP 74, Tunis 1002, Tunisia"},{"name":"Research Laboratory, \u201cVirus, Vector and Host: One 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