However, the discovery of this strain raises concern about the H5N1 strains of bird flu currently circulating in the United States: the virus’s rapid mutation when it infects a new host species.

Respiratory viruses are continuing to spread across the United States and such activity "is expected to continue for several ...

CDC testing data for the same period reveals that 6.6 percent of COVID-19 tests came back positive, with Illinois, Indiana, Michigan, Minnesota, Ohio and Wisconsin seeing the highest test positivity ...

Respiratory illness activity is currently considered "high" in the United States, according to the CDC. In one state, it is ...

(NEXSTAR) — Respiratory illnesses are spreading throughout the U.S., causing multiple states to see a spike in hospital ...

Respiratory illness activity remains elevated across the U.S., with emergency department visits and positive test rates rising for COVID-19, influenza and respiratory syncytial virus, according to ...

A virus that sparked pandemic fears in China has risen in the US this month, official data shows - and parts of the Midwest have become hotspots. The CDC reports that 2.2 percent of tests ...

The US Department of Health and Human Services has cut off all funding and formally debarred EcoHealth Alliance Inc. and its ...

Cases of a wretched stomach bug are surging in parts of the United States this winter ... when people who are already infected spread the virus to others by direct means, such as through ...