Bird flu or Avian flu, also avian influenza, bird influenza, means flu from viruses adapted to birds, but is sometimes mistakenly used to refer to both other flu subsets such as H5N1 flu or the viruses that cause them such as H5N1.
Bird flu outbreak in Vietnam

Bird Flu :: Bird flu outbreak in Vietnam
Vietnam has confirmed a lethal H5N1 bird flu outbreak among its domestic poultry in the south of the country.
Some 5,500 ducks and 500 chickens have died in the last two weeks in two provinces on the Mekong Delta, health ministry officials said.
The government said there was "an extremely high risk" of it spreading widely in the delta region.
(
Bird Flu :: Bird flu outbreak in Vietnam published at
SpiritIndia on Wednesday, December 20, 2006)