The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike upward in most states, according to the Centers for Disease Control and ...

The man who hopes to be President Donald Trump’s health secretary said he needed to see data showing vaccines are safe, but when an influential Republican senator did so, he dismissed it.

An employee at the CDC spoke with Gizmodo about the changes, which they described as “creepy” and “unprecedented,” even ...