2019 Pacific Northwest measles outbreak

2019 Pacific Northwest measles outbreak
DateDecember 31, 2018 (2018-12-31)
LocationPortland metropolitan area and Hawaii
Coordinates45°38′N 122°36′W / 45.633°N 122.600°W / 45.633; -122.600
TypeOutbreak
CauseMeasles morbillivirus and vaccine hesitancy
First reporterPublic Health Department of Clark County
OutcomeClark County public health emergency (January 18, 2019); Washington state of emergency (January 25, 2019)
Websitewww.clark.wa.gov/public-health/measles-investigation

In early months of 2019, a measles outbreak occurred in the Portland metropolitan area, including the Clark County, Washington suburbs, in the United States. At the time, the outbreak was the largest outbreak in more than two decades;[1] outbreaks in 2019 in areas including Brooklyn[2] and Rockland County, New York[3] have since seen far greater numbers of cases.

  1. ^ Cite error: The named reference CNN20190130 was invoked but never defined (see the help page).
  2. ^ New York City measles page
  3. ^ Measles information, Rockland County

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