This Feb. 6, 2015, file photo, shows a measles, mumps and rubella vaccine on a countertop at a pediatrics clinic in Greenbrae, California. A measles outbreak near Portland, Oregon, has revived a bitter debate over so-called “philosophical” exemptions to childhood vaccinations as public health officials across the Pacific Northwest scramble to limit the fallout from the disease. On Jan. 25, Washington Gov. Jay Inslee declared a state of emergency because of the outbreak. (AP Photo/Eric Risberg, File)
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Washington Gov. Jay Inslee last week declared a state of emergency because of a recent measles outbreak.