The Latest Breaking News from Jennifer Nuzzo

Experts say there's a fine line between responsibly scrutinizing policy and fueling misinformation.

Scientists say another kind of bird flu was likely behind the devastating 1918-1919 flu pandemic, and avian viruses played roles in flu pandemics in 1957, 1968 and 2009.

As the holiday approaches, infectious disease specialists are bracing for the possibility that big family get-togethers and travel will propel the spread of RSV, flu and COVID-19.

Here we go again. The virus is starting to surge in many European countries and there are early signs a wave may be starting in the U.S. too.

Biden's comments — made as officials try to convince Americans to get a new booster shot and the White House seeks $22 billion in new COVID funding — were "unfortunate," several epidemiologists said.

Clinicians are ‘skittish’ about the Covid antiviral, resulting in a failure to treat patients who could greatly benefit

Person who tested positive in New York state no longer contagious, but investigators are checking if others exposed.

The testing system set up by the CDC actually deters doctors from ordering a monkeypox test, and many physicians aren't familiar with the disease, resulting in too few tests and little tracking.

The U.S. is raiding its COVID piggybank to ensure new vaccines and treatments remain available to Americans.