A spike in flu cases in NY offered clues on when the season may end, underscoring it's not too late to get a flu shot.

Flu season is in full swing in New York, and you may be trying to get a flu shot for the first time this year. How long before it kicks in?

Flu takes one to four days to incubate in your system after you come into contact with the virus. You have the potential to ...

Avian influenza A (H5N1) has mutated, so the symptoms of bird flu could change as more people get sick in 2025.

A pandemic is not inevitable, scientists say. But the outbreak has passed worrisome milestones in recent weeks, including ...

Egg prices have more than doubled over the last two years as a dangerous strain of bird flu has swept across the country.

Avian flu is rampant in poultry farms and in wild birds in the U.S. Every mutation brings the virus one step closer to the ...

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 ...