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PBS News Hour
Man whose blood helped develop measles vaccine on skepticism
A second child died from measles-related causes in Texas where an outbreak has infected at least 505. Until this year, the U.S. had no reported measles deaths in a decade. HHS Secretary Robert F. Kennedy Jr., a former anti-vaccine advocate, now says the MMR vaccine is the most effective way to prevent the spread of measles. Deema Zein spoke with someone who had a front-row seat to its creation.
