Back in 2000, physicians and parents sighed with relief, as measles was considered eradicated in the U.S.

But that relief, unfortunately, was premature — the U.S. is currently experiencing what is likely the second-biggest outbreak of the virus since that time.

So far this year, between January 1 and March 29, 387 cases of measles have been confirmed in the U.S. That’s more than the total number of cases diagnosed in all of 2018.

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