PRESENTATION OUTLINE
viruses occur naturally among birds. avian flu is very contagious among birds!
Domesticated birds may become infected with avian influenza virus through direct contact with infected waterfowl or other infected poultry, or through contact with surfaces (such as dirt or cages) or materials (such as water or feed) that have been contaminated with the virus. virus can also be carried through a chickens saliva
Wild birds worldwide get flu A infections in their intestines, but usually do not get sick from flu infections.
Of the few avian influenza viruses that have crossed the species barrier to infect humans, HPAI H5N1 has caused the largest number of detected cases of severe disease and death in humans.
Usually, “avian influenza virus” refers to influenza A viruses found chiefly in birds, but infections with these viruses can occur in humans. The risk from avian influenza is generally low to most people, because the viruses do not usually infect humans