Dr. Mehmet Oz, the administrator of the Centers for Medicare and Medicaid Services, said the MMR vaccine is "not a lethal vaccine," despite President Trump's claims in recent days.

Dr. Mehmet Oz was pressed on comments Trump made calling the MMR vaccine, which protects against measles, \

Dr. Mehmet Oz, the administrator of the Centers for Medicare and Medicaid Services, said the MMR vaccine is "not a lethal vaccine," despite President Trump's claims in recent days.