Measles: US reports highest number of measles cases since 2019 --CDC

US reports highest number of measles cases since 2019: CDC Measles cases have been confirmed in at least 24 states, CDC data shows. ABC News ABC News

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Among the nationally confirmed cases by the CDC, about 97% are in people who are unvaccinated or whose vaccination status is unknown.

Of those cases, 1% are among those who have received just one dose of the MMR vaccine and 2% are among those who received the required two doses, according to the CDC.

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