Epidemiology of measles in the United States, 1997-2001. The Journal of infectious diseases. [J Infect Dis] Journal article

Title	Epidemiology of measles in the United States, 1997-2001.
Author(s)	Papania MJ, Seward JF, Redd SB, Lievano F, Harpaz R, Wharton ME
Institution	National Immunization Program, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA. mpapania@cdc.gov.
Source	J Infect Dis 2004 May 1.:S61-8.
MeSH	Adolescent Adult Age Distribution Centers for Disease Control and Prevention (U.S.) Child Child, Preschool Disease Notification Endemic Diseases Humans Incidence Infant Measles Measles Vaccine Men Travel United States Vaccination Women
Abstract	Of the 540 measles cases (annual incidence, less than 1/million population) reported during 1997-2001 in the United States, 362 (67%) were associated with international importation: 196 imported cases, 138 cases epidemiologically linked to imported cases, and 28 cases associated with an imported measles virus genotype. The remaining 178 (33%) "unknown-source" cases were analyzed as potential evidence of endemic measles transmission. A total of 83 counties (2.6% of the 3140 US counties) in 27 states reported unknown-source cases; 49 counties reported only 1 unknown-source case, and the maximum reported by any county was 10. Nationally, unknown-source cases were reported in 103 of the 260 weeks. The largest unknown-source outbreak included 13 cases and lasted 5 weeks. The rarity of unknown-source cases, wide gaps in geographic and temporal distribution, and the short duration of the longest unknown-source outbreak indicate that endemic transmission of measles was not sustained in the United States during this period.
Language	eng
Pub Type(s)	Journal Article
PubMed ID	15106091

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