US kindergarten vaccination rates dip as exemptions hit record high

New CDC data shows MMR vaccination among kindergarteners declining slightly as non-medical exemptions climb to 4.2%

A week after Donald Trump made a series of misleading claims about vaccines - including that some injections look like the size of a soda bottle" - the Centers for Disease Control and Prevention (CDC) released the latest data on national kindergarten vaccination rates.

CDC communications downplayed the changes - a three-sentence announcement said, overall vaccination rates among kindergarteners remained high" - but medical experts immediately saw cause for concern in the trends.