Impact of nationwide measles vaccination campaign among children aged 9 months to 14 years, Zimbabwe, 1998-2001. The Journal of infectious diseases. [J Infect Dis] Journal article

Title	Impact of nationwide measles vaccination campaign among children aged 9 months to 14 years, Zimbabwe, 1998-2001.
Author(s)	Munyoro MN, Kufa E, Biellik R, Pazvakavambwa IE, Cairns KL
Institution	Expanded Program on Immunization, Disease Surveillance, Office of the World Health Organization Representative to Zimbabwe, Harare, Zimbabwe.
Source	J Infect Dis 2003 May 15.:S91-6.
MeSH	Adolescent Antibodies, Viral Child Child, Preschool Disease Outbreaks Humans Incidence Infant Mass Immunization Measles Measles Vaccine Population Surveillance Research Support, Non-U.S. Gov't Zimbabwe
Abstract	Zimbabwe (population 11,365,000) introduced nationwide one-dose measles vaccination in 1981. This strategy reached 70%-80% of infants <1 year of age over the next two decades; in 1998, a nationwide supplemental immunization activity (SIA) targeting all children aged 9 months to 14 years achieved 93% coverage. Surveillance data were examined to determine the impact of these strategies. During 1985-1997, there were 8529-49,812 measles cases annually. After the SIA, laboratory confirmation of the first 5 outbreak cases and all sporadic cases was required. In 1999 and 2000, 1343 (88%) of 1534 suspected cases had adequate specimens submitted and 28 (2%) were measles IgM positive. In 2001, of 529 suspected cases, 513 (97%) had adequate specimens and only 7 (1%) were measles IgM positive. These data suggest that indigenous measles transmission in Zimbabwe has been interrupted and that high prevalence of human immunodeficiency virus seropositivity does not hinder vaccination-induced measles control. High vaccination coverage obtained through the routine health care system supplemented by periodic follow-up SIAs will be required to maintain low transmission levels.
Language	eng
Pub Type(s)	Journal Article
PubMed ID	12721898

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