Saturday - Oct 01, 2005
What is Bird Flu?
Bird flu is an infection caused by avian (bird) influenza (flu) viruses. These flu viruses occur naturally among birds. Bird flu viruses do not usually infect humans, but several cases of human infection with bird flu viruses have occurred since 1997. The current outbreak of avian influenza A (H5N1) among poultry in Asia is an example of a bird flu outbreak that has caused some human infections and deaths.
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