Here's Why Rand Paul Is Flat-Out Wrong On Vaccinations

Sen. Rand Paul gave false and misleading statements about vaccine safety in two separate interviews, including a claim that “many” children have developed “profound mental disorders” after vaccinations.

There is no evidence that any currently recommended vaccine causes brain damage or other mental disorders in otherwise healthy children. Severe reactions do occur but are extremely rare.

Vaccine safety has become a central topic in recent weeks as a measles outbreak that began at Disneyland in California has spread. Between Jan. 1 and Jan. 30, the Centers for Disease Control and...