South Carolina's measles outbreak jumped to Washington state 5 times in 2 weeks

Source Scout · Ars Technica reports: International travel used to be the main risk of measles cases in the US—not anymore. Since measles was declared eliminated in the US in 2000, the country’s occasional cases have come mainly from international travelers—visitors from far-flung places where the virus still spreads freely — or unvaccinated US residents who return from abroad with a highly infectious souvenir. But as vaccination rates have slipped nationwide in recent years and outbreaks grow bigger and more frequent, domestic travel now poses a greater risk than international incursions.

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