The latest data on U.S. COVID-19 test positivity rates shows a complicated picture as we head towards the new year.

Outbreaks of the stomach flu are spreading across the U.S and are far higher than average for December over the past 12 years ...

New data from the U.S. Centers for Disease Control and Prevention (CDC) shows that over half of U.S. states have either "high ...

In all the other states, less than 1.1 percent of ER visits were associated with COVID. There were 254 COVID-19 deaths nationwide during the week ending December 14, down from 335 the week before but ...

The virus is spreading among animals, while viral mutations raise concerns about potential adaptation to human hosts.

Data from the Centers for Disease Control and Prevention show cases of norovirus, the highly contagious stomach bug, are surging in parts of the U.S.

Whooping cough cases are nearly five times higher than cases reported in 2023, with the CDC urging people to get vaccinated.

CDC data indicates that December's increase in outbreaks has outpaced records for the same period since at least 2012. A graph by Newsweek using CDC data shows how the outbreak is outstripping ...

Newsweek has created a map showing states where respiratory syncytial virus (RSV) cases are surging.