There is one article from the official Public Health Service research and development that might be helpful to know how the avian influenza that had horrendous few years ago.
VIRUS INFLUENZA
Bird flu or avian influenza (Bird Flu, Avian influenza) is a
infectious disease caused by type A influenza virus and is transmitted by
poultry. Disease caused by avian influenza virus H5N1 strain of avian infuenza
as confirmed in poultry have occurred in the Republic of Korea, Vietnam, Japan,
Thailand, Cambodia, Taiwan, Laos, China, Indonesia and Pakistan. Source of virus
thought to have come from migratory birds and the transportation of infected poultry.
In Indonesia in January 2004 reported cases of death
poultry unusual (especially in Bali, Botabek, East Java, Central Java,
West Kalimantan...