When Robert F. Kennedy Jr. was confirmed as America’s secretary of health and human services, neutral observers might have asked themselves: Would it be possible for a lawyer who had questioned the safety of childhood vaccinations for two decades to look at the available data and reconsider his views?

He also baselessly claimed that natural immunity from measles and other diseases could protect people from cancer and cardiac disease.

Social media lit up with fury Monday night in response to Health and Human Services Secretary Robert F. Kennedy Jr. suggesting that diet may be to blame for a Texas child’s death of measles. “It’s very,