Summary
What is bird flu?
Just like humans, birds are susceptible to flu. Scientists are particularly concerned about the H5N1 strain of the virus because it can infect humans.See the full content of this document
Extract
Qa
Since its emergence in 2003, H5N1 has killed more than 100million birds worldwide and infected 191 people, more than 60 of whom have died.
Could H5N1 infect people ...See the full content of this document
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