There are some new tools to help this respiratory virus season: over-the-counter tests that can identify whether an illness is COVID-19 or influenza.

The flu can also cause a general feeling of fatigue or malaise, Ray says, as well as gastrointestinal issues like diarrhea ...

This year’s flu season is on track to be the worst it’s been since before the Covid-19 pandemic, as respiratory illnesses surge to a second peak. There have already been at least 24 million illnesses, ...

It's an unusual winter for respiratory illnesses. The flu is peaking twice: once in early January and again in February.

(NEXSTAR) – The flu is spreading far and wide across the U.S. – and influenza A is largely to blame. Of all the flu tests reported to the Centers for Disease Control and Prevention since the start of ...

UC San Francisco's Rais Vohra, MD, explains recent increase in reported virus infections and the risks of consuming raw cow’s ...

Read on to learn about the different types of flu. Flu, or influenza, is a contagious respiratory infection caused by various flu viruses. Symptoms include muscle aches and soreness, headache ...

without the typical respiratory symptoms associated with "being infected with influenza viruses". "These cases highlight the variable presentations of the flu, which can delay diagnosis," said Dr ...

Cases of influenza A, COVID and respiratory syncytial virus are “high” or “very high” across large swaths of the country as norovirus cases also levels increase, per the agency.

A subtype of bird flu caused by avian influenza A (H5) virus has been spreading worldwide in wild birds with a few outbreaks in poultry, dairy cows and other mammals across the United States ...

Avian influenza is a respiratory virus that spreads quickly among birds, often through nasal and eye secretions and manure. It spreads mostly in the spring and fall, as ducks, geese and swans ...

The U.S. government has handed Moderna almost $600 million to accelerate its work on various bird flu vaccines as well as work on mRNA vaccines for other influenza strains with pandemic potential.