Studies suggest that people who had seasonal flus or vaccinations have low antibody levels against H5N1 bird flu.

H5N1 avian influenza has long been a concerning virus. Since its discovery in 1996 in waterfowl, bird flu has occasionally caused isolated human cases that have quite often been fatal. The absolute ...

For months, bird flu was seemingly everywhere in the U.S.: news headlines reported the highly pathogenic H5N1 avian influenza virus was rapidly sweeping through hundreds of herds of dairy cattle and ...

Cambodia's health ministry today announced another H5N1 avian flu infection, the country's 14th of the year. Meanwhile, ...

Bird flu was nearly everywhere in the U.S.—in chickens, cows, pet cats and even humans. Cases have gone down, but experts warn that it hasn’t disappeared ...

A 26-year-old man from northwest Cambodia's Siem Reap province has been confirmed positive for H5N1 human avian influenza, ...

Avian flu killed or led to the deaths of 470 domestic birds at a live bird market in Onondaga County in March, according to ...

The H5N1 avian flu is circulating in cows and other mammals. Whether it will make a permanent leap to humans is another ...

Avian influenza is a contagious viral infection that mainly affects birds. On occasion, avian influenza can infect humans and other mammals.   Avian influenza (AI) A (H5N1) is an influenza virus that ...

The bird flu hit Susie’s Duck Sanctuary in Wahiawa hard, and hundreds of ducks, geese, and other birds had to be euthanized ...

Cambodia today reported its thirteenth human H5N1 avian flu case of the year, part of an overall acceleration of activity ...