What are the symptoms of bird flu and how does it spread?

Avian Influenza - WOAH - World Organisation for Animal Health

Avian Influenza | Washington State Department of Agriculture

MSN

First Cases Of Avian Flu Confirmed In Commercial Poultry At Lancaster Farm

New study says avian flu could potentially spread to humans, but the danger is currently low

Avian influenza

Avian Influenza In Chickens: Identify, Causes, Treatment & Prevention