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National Update on Measles Cases and Outbreaks — United States, January 1–October 1, 2019
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October 11 2019
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Source: MMWR Morbidity Mortal Weekly Rep. 68(40):893-896
[PDF-208.42 KB]
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Journal Article:Morbidity and Mortality Weekly Report (MMWR)
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Description:During January 1-October 1, 2019, a total of 1,249 measles cases and 22 measles outbreaks were reported in the United States This represents the most U.S. cases reported in a single year since 1992 (1), and the second highest number of reported outbreaks annually since measles was declared eliminated* in the United States in 2000 (2). Measles is an acute febrile rash illness with an attack rate of approximately 90% in susceptible household contacts (3). Domestic outbreaks can occur when travelers contract measles outside the United States and subsequently transmit infection to unvaccinated persons they expose in the United States Among the 1,249 measles cases reported in 2019, 1,163 (93%) were associated with the 22 outbreaks, 1,107 (89%) were in patients who were unvaccinated or had an unknown vaccination status, and 119 (10%) measles patients were hospitalized. Closely related outbreaks in New York City (NYC) and New York State (NYS; excluding NYC), with ongoing Transmission for nearly 1 year in large and close-knit Orthodox Jewish communities, accounted for 934 (75%) cases during 2019 and threatened the elimination status of measles in the United States Robust responses in NYC and NYS were effective in controlling Transmission before the 1-year mark; however, continued vigilance for additional cases within these communities is essential to determine whether elimination has been sustained. Collaboration between public health authorities and undervaccinated communities is important for preventing outbreaks and limiting Transmission. The combination of maintenance of high national vaccination coverage with measles, mumps, and rubella vaccine (MMR) and rapid implementation of measles control measures remains the cornerstone for preventing widespread measles Transmission (4).
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ISSN:0149-2195 (print);1545-861X (digital);
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Pubmed ID:31600181
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Pubmed Central ID:PMC6788396
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Pages in Document:4 pdf pages
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Volume:68
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Issue:40
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