There’s still more to do to stop measles from returning


Even after California banned non-medical exemptions for vaccines, an unvaccinated teenage boy in the state still spread measles to a half dozen people in an outbreak last year, a new study reports. The findings show that while tightening legislative loopholes is key to stopping the spread of measles, it’s not enough.

The outbreak investigation, published today in the Centers for Disease Control and Prevention’s Morbidity and Mortality Weekly Report, follows a 15-year-old boy who came back from England at the end of February 2018 with measles. Soon after, he infected a second boy at a Boy Scout event, a third at school, and a fourth at a tutoring center. All were unvaccinated. And the outbreak

Credit: CDC

doesn’t stop there — it continued in a complicated web of contacts.

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