👉 H9N4 is a highly pathogenic avian influenza virus that causes severe illness in poultry, poultry birds, and other bird species. The virus spreads through direct contact with infected poultry or droppings, as well as from infected birds to humans through respiratory droplets or contaminated food or water. This strain of H9N4 has been identified in chickens, turkey, and ducks, causing a global pandemic that has affected millions of people worldwide.
