New York state health officials condemned the CDC's updated webpage on vaccines and autism, which suggests that vaccines may not be linked to autism, and called for further research into the potential link.

The new level 1 health warning informs travellers that there is an increased risk of dengue fever.

As the Trump administration prepares to nominate a new director of the Centers for Disease Control and Prevention, insiders say they worry the nominee will only further undermine trust in the nation’s top health agency,

Acting head Jay Battacharya will continue to oversee the agency, which has been marked by a chaotic year of mass layoffs, escalating measles outbreaks and changes to childhood vaccines.