{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,8,24]],"date-time":"2023-08-24T17:11:11Z","timestamp":1692897071203},"reference-count":16,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2022,7,18]],"date-time":"2022-07-18T00:00:00Z","timestamp":1658102400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100009619","name":"Japan Agency for Medical Research and Development","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100009619","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Medical Virology"],"published-print":{"date-parts":[[2022,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In Japan, large\u2010scale mumps epidemics recur every 4\u20136 years because of low vaccination coverage. This study aimed to describe the seroprevalence of mumps in the Japanese population and identify the age groups most affected. The prevalence of anti\u2010mumps antibodies was evaluated based on 1000 serum samples obtained from the Japanese National Serum Reference Bank. These samples consisted of 50 sera for each of 10 different age groups, collected during 2007\u20132008 (pre\u2010epidemic period) and 2012\u20132013 (post\u2010epidemic period). Seropositivity was lowest in the 6\u201311 months subgroup (3% and 0% in pre\u2010 and post\u2010epidemic periods, respectively) and highest in the 10\u201314 years group (66% and 72% in pre\u2010 and post\u2010epidemic periods, respectively). A comparison of anti\u2010mumps antibody prevalence throughout the two periods considered revealed a large rise in seropositivity among the 2004\u20132008 birth cohort, using that of the 1\u20134 years group as representative in the pre\u2010epidemic period (from 22% in pre\u2010 to 58% in post\u2010epidemic periods;\u00a0<jats:italic>p<\/jats:italic>\u2009=\u20090.0002). These results indicate that most people likely gain antibodies to the mumps virus during their childhood, especially during the first epidemic that they experience after their second year of life. Therefore, children should be vaccinated against mumps soon after their first birthday for effective prevention.<\/jats:p>","DOI":"10.1002\/jmv.27984","type":"journal-article","created":{"date-parts":[[2022,7,8]],"date-time":"2022-07-08T03:44:22Z","timestamp":1657251862000},"page":"5385-5391","update-policy":"http:\/\/dx.doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A seroepidemiological study across age groups before and after the 2010\u20132011 mumps epidemic in Japan"],"prefix":"10.1002","volume":"94","author":[{"given":"Saeko","family":"Morino","sequence":"first","affiliation":[{"name":"Center for Surveillance, Immunization, and Epidemiologic Research National Institute of Infectious Diseases Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroshi","family":"Satoh","sequence":"additional","affiliation":[{"name":"Environmental Health Division Takasaki City Health Center Gunma Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Satoru","family":"Arai","sequence":"additional","affiliation":[{"name":"Center for Surveillance, Immunization, and Epidemiologic Research National Institute of Infectious Diseases Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Motoi","family":"Suzuki","sequence":"additional","affiliation":[{"name":"Center for Surveillance, Immunization, and Epidemiologic Research National Institute of Infectious Diseases Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Keiko","family":"Tanaka\u2010Taya","sequence":"additional","affiliation":[{"name":"Center for Surveillance, Immunization, and Epidemiologic Research National Institute of Infectious Diseases Tokyo Japan"},{"name":"Kanagawa Prefectural Institute of Public Health Chigasaki Kanagawa Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2022,7,18]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.vaccine.2010.09.022"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/ped.13916"},{"key":"e_1_2_9_4_1","unstructured":"National Institute of Infectious Diseases.Mumps (Infectious Parotitis) in Japan as of September 2016.Infectious Agents Surveillance Report 2016;37:185\u2013186. 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