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Story summary
- U.S. President Donald Trump signed an executive order to split the combined MMR vaccine into separate shots.
- Merck said it cannot produce separate measles, mumps and rubella shots for at least another ten years.
- Centers for Disease Control and Prevention (CDC) reported 2,777 measles cases nationwide as of August 20, the highest in three decades.
- Senator Bill Cassidy warned the order could increase vaccine hesitancy and leave children exposed longer.
