U.S. measles cases have surged again, and are on pace to set a record for most illnesses in 25 years.
Health officials on Monday said 555 measles cases have been confirmed so far this year, up from 465 as of a week ago.
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While 20 states have reported cases, New York has been the epicenter. Nearly two-thirds of all cases have been in New York, and 85 percent of the latest week's cases came from the state. Most of the New York cases have been unvaccinated people in Orthodox Jewish communities.
The 2019 tally is already the most since 2014, when 667 were reported. The most before that was 963 cases in 1994.
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The Centers for Disease Control and Prevention recommends that all children get two doses of measles vaccine.
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