{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,10]],"date-time":"2026-07-10T19:26:00Z","timestamp":1783711560093,"version":"3.55.0"},"reference-count":39,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2024,3,15]],"date-time":"2024-03-15T00:00:00Z","timestamp":1710460800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Faculty of Medicine, Universiti Kebangsaan Malaysia (UKM)","award":["TAP K011901"],"award-info":[{"award-number":["TAP K011901"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Vaccines"],"abstract":"<jats:p>Although immunization is one of the most successful and cost-effective interventions that prevents millions of infant and child deaths yearly, it has failed to achieve its intended goals in some low-income countries. Yemen is currently experiencing the most extreme humanitarian crisis globally, which has affected health and worsened its economy and political governance instability. There are few reports on Yemeni vaccination statuses. The present study aimed to investigate the effect of the public health emergency crises on childhood immunization in Yemen. A retrospective descriptive study was conducted in the Coastal Hadhramaut Governorate, Yemen. Secondary data from governorate annual reports for 2013\u20132020 were extracted. The assessment of the annual immunization coverage rate according to each vaccine was tabulated. The analysis revealed that the 2013\u20132019 vaccination coverage in Coastal Hadhramaut demonstrated an increasing trend. However, vaccination coverage decreased for all vaccines in 2015\u20132016 and 2020. Although all three doses of the pentavalent vaccine demonstrated &gt;85% coverage in all years, the coverage of the first and second doses decreased in 2016, and the coverage of all doses decreased in 2020 during the COVID-19 pandemic. Public health emergencies negatively affected routine immunization coverage in Yemen. The trend correlated with the humanitarian crisis and other research findings in Yemen. The national response to public health threats during emergency crises must involve strengthening the program for monitoring and evaluating vaccine-preventable diseases.<\/jats:p>","DOI":"10.3390\/vaccines12030311","type":"journal-article","created":{"date-parts":[[2024,3,15]],"date-time":"2024-03-15T09:32:30Z","timestamp":1710495150000},"page":"311","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Immunization of Children under 2 Years Old in the Coastal Hadhramaut Governorate, Yemen, during Public Health Emergencies: A Trend Analysis of 2013\u20132020"],"prefix":"10.3390","volume":"12","author":[{"given":"Suha Ali","family":"Batarfi","sequence":"first","affiliation":[{"name":"Department of Public Health Medicine, Medical Faculty, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia"},{"name":"Community Medicine Department, Hadhramout University College of Medicine and Health Sciences, Al Mukalla 10587, Yemen"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9956-4727","authenticated-orcid":false,"given":"Rosnah","family":"Sutan","sequence":"additional","affiliation":[{"name":"Department of Public Health Medicine, Medical Faculty, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Halim","family":"Ismail","sequence":"additional","affiliation":[{"name":"Department of Public Health Medicine, Medical Faculty, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abdulla Salem","family":"Bin-Ghouth","sequence":"additional","affiliation":[{"name":"Community Medicine Department, Hadhramout University College of Medicine and Health Sciences, Al Mukalla 10587, Yemen"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,3,15]]},"reference":[{"key":"ref_1","unstructured":"World Health Organization (2021). 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Available online: https:\/\/www.emro.who.int\/yem\/yemeninfocus\/update-on-the-expanded-programme-on-immunization-september-2019.html."}],"container-title":["Vaccines"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/2076-393X\/12\/3\/311\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T14:14:15Z","timestamp":1760105655000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/2076-393X\/12\/3\/311"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2024,3,15]]},"references-count":39,"journal-issue":{"issue":"3","published-online":{"date-parts":[[2024,3]]}},"alternative-id":["vaccines12030311"],"URL":"https:\/\/doi.org\/10.3390\/vaccines12030311","relation":{},"ISSN":["2076-393X"],"issn-type":[{"value":"2076-393X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2024,3,15]]}}}