Measles outbreaks are spreading across the U.S., and the nation is likely to lose its status as a country where the disease ...

Measles cases spiked across the US this year, pushing the country toward the loss of its elimination status and increasing ...

As federal officials question vaccine safety and efficacy, some in public health wonder if data will be undermined also.

The US Food and Drug Administration intends to put a “black box” warning on Covid-19 vaccines, according to two people familiar with the agency’s plans.

Now, they’re adding whooping cough to the list, even as cases of the disease surge, killing at least ten babies over the past ...