In the 18 days since Robert F. Kennedy Jr. was sworn in as secretary of the United States Department of Health and Human Services, his department has postponed or canceled two major vaccine advisory committee meetings,

Robert F. Kennedy Jr. came under fire after posting a photograph of himself hiking in California as a deadly measles outbreak rages through West Texas. President Donald Trump’s new health and human services secretary posed in a T-shirt and shorts for his 4.

But in his opinion piece about the ongoing measles outbreak, published March 2 in Fox News Digital, Kennedy wrote that vaccines “not only protect individual children from measles, but also contribute to community immunity,