A 2022 study estimates that at-home flu tests have a sensitivity of about 63% if the test is performed within 72 hours of ...

The new variant of Influenza A, or H3N2, has been given the nickname 'super flu.' The fast-spreading virus has caused ...

The “super flu” behind outbreaks in the US and UK is a new variant of influenza A H3N2, subclade K. Existing vaccines appear ...

Influenza is on the rise. Flu activity was "high" or "very high" in 32 states and jurisdictions, as of Dec. 30, according to ...

COVID-19 infections are rising again across the U.S. Here's which symptoms to look for and how to protect yourself over the ...

Tis the season for getting sick. Here's what to know about the pathogens circulating in the U.S. this December and how to ...

Health experts typically advise getting your COVID-19 and flu vaccine by the end of October. However, if you've missed that window, you can still get them well into the respiratory virus season and ...

Fewer people in Massachusetts are getting their seasonal flu and COVID vaccinations as the number of respiratory infections​ ...

According to the Centers for Disease Control and Prevention, flu activity is very high in New Jersey, moderate in ...

It can be hard to know what is causing your symptoms in the winter but there are some ways to tell them apart.

A 10-month-old Enid baby fights for life with respiratory illnesses. Family organizes blood drives and seeks support as infant remains on life support at OU Children's Hospital.

Fever, cough and body aches can point to flu, viral fever or Covid. With symptoms overlapping and risks varying, doctors say knowing how to differentiate early can prevent complications and stop ...