Measles was declared eliminated from the U.S. in 2000, but every now and then we hear about an outbreak in this country. Typically it goes something like this:
An unvaccinated American travels to some place like Europe, Asia, the Pacific, or Africa where there are 20 million measles cases a year. They are exposed to the disease, arrive back in the states and begin exhibiting symptoms. Eventually they’re diagnosed with measles and public health officials work diligently to identify and isolate subsequent cases. Within a few weeks the outbreak is contained and people go about their business like nothing ever happened.
So why has there been such a fuss about the recent measles cases in Disneyland?
At first, news reports identified nine cases among visitors of the Southern California amusement park in December 2014. None of the patients – ranging in age from 8 months to 21 years…
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