Emergency declared near Portland for measles outbreak in anti-vaccine hotspot

Enlarge (credit: Getty | Joe Amon)
Health officials in Clark County, Washington, have declared a public health emergency for a measles outbreak in an area with a high rate of unvaccinated children.
As of Tuesday January 22, officials tallied 23 confirmed cases in the county, which is just north of Portland, Oregon. The case count rose rapidly, more than doubling since last week, and will likely continue to rise amid low vaccination levels in the area.
Nearly eight percent of children in Clark County were exempt from standard vaccination for the 2017-2018 school year, according to state records reported by The Washington Post. Breaking down that eight percent, about seven percent of kids had personal or religious exemptions, and the remaining one percent or so had medical exemptions. Factoring in the rest of the population, the county is below the 92-percent to 94-percent range some experts consider required to prevent the spread of highly contagious diseases such as measles.
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