Jim O’Neill, Acting Director of the CDC and Robert F Kennedy Jr’s Deputy Health and Human Services Secretary, has called for the MMR vaccine – combining shots for measles, mumps and rubella – to be broken up into three separate jabs.
O’Neill echoed comments from President Donald Trump in a post on X on Monday in which the commander-in-chief offered advice to pregnant women, including a call to “break up the MMR shot into three totally separate shots (not mixed!)”