Alexandra Sifferlin, a health and science editor for Times Opinion, hosted a written conversation with the Opinion columnist ...

Some key public health figures are taking an extraordinary step to try to shore up U.S. vaccination policy, feared to be ...

One of the most notable things about Robert F. Kennedy Jr.—the secretary of the Department of Health and Human Services, a ...

A new study forecasts more than 850,000 measles cases over the next 25 years if US vaccination rates stay the same. Millions ...

Most adults and parents have read or heard false claims about measles and the measles vaccine, leaving many unsure of what to ...

Since January, 505 people have been infected in Texas and more than 90 total in neighboring New Mexico, Oklahoma and Kansas.

Robert F. Kennedy Jr.’s latest claims about autism aren’t just demonstrably false — they’re also an insult to one of the ...

Anti-vaccine activist Robert F. Kennedy Jr. has faced intense scrutiny for a number of reasons — which also include his ...

Activists affiliated with Robert F. Kennedy Jr. are selling a “measles treatment and prevention protocol” for hundreds of ...

Environmental contributors to autism are behind its rising prevalence, U.S. Health Secretary Robert F. Kennedy Jr. said on ...

Kennedy was speaking a day after the U.S. Centers for Disease Control and Prevention released a data analysis showing the ...

When the nation's top health official, Robert F. Kennedy Jr., endorsed the measles vaccine this month after an outbreak in ...