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 ...

Symptoms can include coughing and sneezing, loss of appetite, diarrhea, declining egg production and fertility, and nervous ...

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 ...

Kansas State veterinarian Susan Nelson warns cat owners to keep their furry friends safe from highly pathogenic avian ...

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 ...

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

The HPAI strain of bird flu is highly contagious and spreads through contact with infected birds or contaminated surfaces. People can protect their flocks by limiting contact with wild birds and ...

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 ...