The flu virus is changing in ways never seen before, increasing infections and raising concerns about vaccine effectiveness ...

Sonya Stokes, an emergency room physician in the San Francisco Bay Area, braces herself for a daily deluge of patients sick ...

A new study says the flu A viral strain can adapt shape to stay infectious. Infectious disease doctors break down what this ...

Hospitals are seeing a significant increase in patients. At Mercy San Juan Medical Center in Carmichael, the number of daily ...

After a different strain of bird flu was recently found in cattle for the first time, experts reveal what this means in our ...

Influenza viruses cause tens of millions of illnesses and thousands of deaths in the United States each year. There are two players every flu season: influenza Type A and Type B. Influenza A tends ...

Partial CDC data suggest that influenza deaths may have already reached as high as 2% of deaths for the week ending on Feb. 1 ...

The US is in the throes an unusually intense and severe flu season, with hospitalization rates topping the levels seen with ...

Flu season typically ends in May, which means it isn’t too late for a flu shot. (Just remember that it takes a couple of ...

Evidence is showing the bird flu virus is mutating, with new strains of bird flu being found in a human. FOX 9's Chenue Her ...

Flu deaths have surpassed COVID-19 in California for the first time since the pandemic, with concerns over low vaccination rates and a likely severe flu season.

Indiana flu activity reaches 'very high' rates with visits to emergency rooms, urgent care centers and primary care offices ...