{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,8]],"date-time":"2026-01-08T15:01:10Z","timestamp":1767884470328,"version":"3.49.0"},"reference-count":15,"publisher":"Oxford University Press (OUP)","issue":"9","license":[{"start":{"date-parts":[[2019,11,17]],"date-time":"2019-11-17T00:00:00Z","timestamp":1573948800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"funder":[{"name":"National Major Scientific and Technological Special Project for \u201cSignificant New Drugs Development\u201d","award":["2016ZX09101120-002"],"award-info":[{"award-number":["2016ZX09101120-002"]}]},{"name":"CAMS Initiative for Innovative Medicine Project","award":["2017-I2M-B&R-16"],"award-info":[{"award-number":["2017-I2M-B&R-16"]}]},{"name":"Yunnan Major Scientific and Technological Special Project","award":["2016ZF002"],"award-info":[{"award-number":["2016ZF002"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2020,12,3]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>Evaluation of a licensed inactivated enterovirus type 71 (EV71) vaccine is needed in a phase IV study with a large population to identify its effectiveness and safety for further application.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>An open-label, controlled trial involving a large population of 155 995 children aged 6\u201371 months was performed; 40 724 were enrolled in the vaccine group and received 2 doses of inactivated EV71 vaccine at an interval of 1 month, and the remaining children were used as the control group. The EV71-infected cases with hand, foot, and mouth disease were monitored in the vaccine and control groups during a follow-up period of 14 months since the 28th day postinoculation through the local database of the Notifiable Infectious Diseases Network. The effectiveness of the vaccine was estimated by comparing the incidence density in the vaccine group versus that in the control group based upon EV71-infected patients identified via laboratory testing. In parallel, the active and passive surveillance for safety of the vaccine was conducted by home or telephone visits and by using the Adverse Event Following Immunization (AEFI) system, respectively.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>An overall level of 89.7% (95% confidence interval, 24.0\u201398.6%) vaccine effectiveness against EV71 infection and a 4.58% rate of reported adverse events were observed. Passive surveillance demonstrated a 0.31% rate of reported common minor reactions.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>The clinical protection and safety of the EV71 vaccine were demonstrated in the immunization of a large population.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Clinical Trials Registration<\/jats:title>\n                  <jats:p>NCT03001986.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/cid\/ciz1114","type":"journal-article","created":{"date-parts":[[2019,11,13]],"date-time":"2019-11-13T12:10:12Z","timestamp":1573647012000},"page":"2421-2427","source":"Crossref","is-referenced-by-count":35,"title":["Effectiveness and Safety of an Inactivated Enterovirus 71 Vaccine in Children Aged 6\u201371 Months in a Phase IV Study"],"prefix":"10.1093","volume":"71","author":[{"given":"Xuhua","family":"Guan","sequence":"first","affiliation":[{"name":"Hubei Provincial Center for Disease Control and Prevention, Wuhan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yanchun","family":"Che","sequence":"additional","affiliation":[{"name":"Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Institute of Medical Biology, Chinese Academy of Medical Sciences and Peking Union Medical College, Kunming, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sheng","family":"Wei","sequence":"additional","affiliation":[{"name":"School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shaoping","family":"Li","sequence":"additional","affiliation":[{"name":"Xiangyang Health Commission, Xiangyang, 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