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

But while the current risk from our fuzzy feline friends is considered very low, public health officials nonetheless have ...

The virus in the first severe human bird flu case in the U.S. was found to have mutated. Follow Newsweek's live blog for ...

Wastewater surveillance suggests that we in the midst of what's being called a "Silent" COVID-19 surge fueled by the XEC ...

They're calling it "silent" because the wave follows a long period of unusually low COVID activity this fall, so many people ...

The COVID-19 pandemic, caused by the coronavirus SARS-CoV-2, began in late 2019 in ... or sneezes. To reduce the spread of COVID-19, many countries have implemented measures such as lockdowns ...

How long are you contagious after getting COVID, flu, RSV, pneumonia, the norovirus stomach bug and more? Here's what to know ...

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

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

Efforts to contain the spread of SARS-CoV-2 may benefit from a new analytical tool developed by a team led by biologists at Boston College, who report their computer simulation of molecular ...

SPRINGFIELD. Ill. (WAND) - Memorial Health is putting temporary visitor restrictions in place at its five hospitals to stop the spread of respiratory illnesses. The restrictions will go into ...

The case, spotted this month in a hospitalised Louisiana man, is the first "severe" bird flu case in the US amid its rapid spread through cows this year. In nearby Canada, a healthy teenage boy ...