Six U.S states all saw "very high" levels of COVID-19 viruses in their wastewater in the first week of December, says the CDC ...

The latest government data shows that cases of a fast-spreading stomach bug are surging in parts of the United States. The ...

Here are a few things to know about the virus. Norovirus is the leading cause of foodborne illness in the United States, ...

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

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

The bird flu outbreak has spread to all 50 states, infecting dairy cattle, poultry farms and 61 humans across the country.

Public health officials have just reported the first known “severe” case of bird flu in the United States. There are now 61 ...

Respiratory virus activity levels are rising in many parts of the country, with 24 states reporting high levels and 8 states reporting ...

Oropouche virus has posed little threat outside South America in the past, but land-use change, the climate crisis, and ...

The first severe case of H5N1 bird flu was confirmed in Louisiana. Here is a map of other states that have been affected.

Since April 2024, 61 human cases of bird flu have been reported in the U.S. The virus has only spread from ... birds in 569 counties and all 50 U.S. states, according to the CDC.