Can there ever be scientific certainty during a pandemic caused by a novel infectious disease? Ann C. Keller, associate ...

XEC, the latest strain of the coronavirus, is more transmissible than others, but its symptoms tend to be milder.

Is COVID going around again as the U.S. approaches the winter? Infectious disease experts share what to know and how to stay ...

COVID-19 was "intentionally engineered as a part of a biodefense program" by the U.S., former CDC director Robert Redfield ...

Getting a COVID booster during the optimal period could offer a 3-to-4-fold increase in protection compared to other times of ...

Only New Mexico had "very high" levels of the virus that causes COVID-19 in its wastewater during Thanksgiving week.

A new map from the U.S. Centers for Disease Control and Prevention reveals the regions of the U.S. where COVID-19 cases are ...

The CDC is 'standing ready' amid an outbreak of a mystery disease in Africa ... parallels are being drawn to the early days of the Covid pandemic. Hong Kong became the first country to bring ...

The CDC and FDA both advise anyone who thinks they may have severe Salmonella symptoms to contact their healthcare provider. Salmonella Outbreak: 68 people are sick in 19 states, with 18 ...