Dr. Mehmet Oz, head of the Centers for Medicare and Medicaid Services, on Sunday countered President Donald Trump's recent claims that the measles, mumps and rubella " or MMR " vaccine could be lethal.
BRENNAN: The president twice said the MMR shot may be lethal. Do you want to clarify that?
DR OZ: We want parents to have the autonomy to decide what their kids receive
BRENNAN: But he used the term 'lethal.' Do you want to clarify?
OZ: The MMR vaccine is not a lethal vaccine
