As cases of measles keep rising in Texas, some doctors call Robert F. Kennedy Jr.'s response a "wink and nod" to anti-vaccine groups.

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,

Lawmakers and health experts are sounding the alarm after Health and Human Services Secretary Robert F. Kennedy Jr. argued in an opinion piece that vitamin A and nutrition, instead of vaccines, will help stop the spread of measles.