The air sac system is a vital part of the avian respiratory system. Air sacs are thin-walled structures, one to two cell layers thick, that extend throughout the body cavity and into the wing and ...

The highly pathogenic H5N1 avian influenza virus ... capable of causing severe damage beyond the respiratory system. A groundbreaking study conducted by researchers at the University of Pittsburgh ...

Avian or bird flu is a respiratory disease that spreads between birds and can ... “We don’t want to send any sick birds to the processing plant, so we’ve got really a good system of guarding against ...

Avian and human flu viruses seem to target different regions of a patient's respiratory tract. Although more than 100 people have been infected by H5N1 influenza A viruses, human-to-human ...

Researchers have a new hope for preventing severe illness from the bird flu after finding a groundbreaking antibody treatment ...

At least four cattle herds in Nevada have tested positive for a strain of H5N1 bird flu never before seen in cows, state ...

Birds from affected flocks will not enter the food system. Avian influenza is a highly contagious airborne respiratory virus that spreads easily among birds through nasal and eye secretions, as well ...