Outbreak of Measles in the Republic of Korea, 2007: Importance of Nosocomial Transmission
Open Access
- 1 July 2011
- journal article
- Published by Oxford University Press (OUP) in The Journal of Infectious Diseases
- Vol. 204 (suppl_1), S483-S490
- https://doi.org/10.1093/infdis/jir087
Abstract
Background. From 2002 through 2006, Republic of Korea conducted extensive measles elimination activities and declared elimination in 2006. An outbreak of measles involving 180 confirmed cases occurred during 2007. Methods. An outbreak investigation was performed and enhanced surveillance was implemented. Detailed case investigations and laboratory testing included serologic and molecular diagnostic methods. Cases were classified according to World Health Organization and national guidelines. Results. During 2007, 451 suspected cases were reported and 180 (40%) cases were confirmed as measles during epidemiologic weeks 14–42. Incidence during the outbreak was 3.7 cases per million persons, excluding imported cases. Most confirmed cases were reported from Seoul; 137 (76%) cases were among children Conclusions. Limited outbreaks of measles, in which nosocomial transmission can play an important role, may occur after countries have declared elimination. Timely and opportunistic vaccination may help prevent such outbreaks; high-quality surveillance is critical for their detection.Keywords
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