The ongoing bird flu outbreak has led to wild bird deaths, slaughtered livestock, and hazardous conditions for dairy industry workers.

No new human cases of avian influenza have been reported, and poultry infections are low so far in March. But infections in cats are continuing, and new research is raising concerns about the virus

A highly pathogenic strain of bird flu is spreading south along the Antarctic Peninsula and could devastate populations of penguins and other seabirds

Prior exposures to specific types of seasonal influenza viruses promote cross-reactive immunity against the H5N1 avian influenza virus, according to new research from the Perelman School of Medicine at the University of Pennsylvania.

Maryland researchers study science of bird flu

A new case of bird flu was reported in Maryland — the seventh known case but the first in central Maryland. The most recent case is affecting a backyard flock in Anne Arundel County.