{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,4,3]],"date-time":"2022-04-03T04:24:39Z","timestamp":1648959879510},"reference-count":0,"publisher":"Cambridge University Press (CUP)","issue":"5","license":[{"start":{"date-parts":[[2004,11,8]],"date-time":"2004-11-08T00:00:00Z","timestamp":1099872000000},"content-version":"unspecified","delay-in-days":38,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Epidemiol. Infect."],"published-print":{"date-parts":[[2004,10]]},"abstract":"<jats:p>In September 2003 a WHO consultation group on vaccine-derived polioviruses (VDPV) concluded that in order to prevent future generations of paralytic polio after interruption of transmission of wild poliovirus, the use of trivalent oral polio vaccine (OPV) must be stopped [1]. Another important global policy decision along the road to polio eradication thus became possible \u2013 cessation of OPV use at some time after eradication. The question now is not whether OPV must be stopped, but rather when.<\/jats:p>","DOI":"10.1017\/s0950268804002638","type":"journal-article","created":{"date-parts":[[2004,11,8]],"date-time":"2004-11-08T13:45:51Z","timestamp":1099921551000},"page":"779-780","source":"Crossref","is-referenced-by-count":3,"title":["Protecting investments in polio eradication: the past, present and future of surveillance for acute flaccid paralysis"],"prefix":"10.1017","volume":"132","author":[{"given":"D. L.","family":"HEYMANN","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"E. M.","family":"DE GOURVILLE","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R. B.","family":"AYLWARD","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"56","published-online":{"date-parts":[[2004,11,8]]},"container-title":["Epidemiology and Infection"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.cambridge.org\/core\/services\/aop-cambridge-core\/content\/view\/S0950268804002638","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,5,6]],"date-time":"2019-05-06T20:15:38Z","timestamp":1557173738000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.cambridge.org\/core\/product\/identifier\/S0950268804002638\/type\/journal_article"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2004,10]]},"references-count":0,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2004,10]]}},"alternative-id":["S0950268804002638"],"URL":"https:\/\/doi.org\/10.1017\/s0950268804002638","relation":{},"ISSN":["0950-2688","1469-4409"],"issn-type":[{"value":"0950-2688","type":"print"},{"value":"1469-4409","type":"electronic"}],"subject":[],"published":{"date-parts":[[2004,10]]}}}