The U.S. confirmed at least a dozen deaths from whooping cough last year, according to preliminary figures released this week ...

After nearly a decade of almost year-over-year increases in overdose deaths, the tide may finally be turning in Philadelphia.

Nearly 120 people on board a cruise ship that departed from Florida this month have become ill with norovirus, according to a ...

If Republicans believed they were right that trans people don't exist, there would be no need to ban honest research ...

Influenza A — a nasty flu strain that fueled the 2009 flu epidemic — has been landing Ohioans in the hospital since the ...

The newer strain had been seen before in more than a dozen people exposed to poultry, but this is the first time an infection ...

Data on flu test positivity and Tamiflu prescription fills show that influenza activity has already surpassed the past 7 ...

The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

Flu-related hospitalizations are at an all-time high as the virus continues to surge across the state.

RFK Jr.’s views on vaccine safety have sparked debate, with some experts saying that his comments are misleading.

Fox News medical contributor Dr. Nicole Saphier addresses frequently asked questions regarding the measles, mumps and rubella ...