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Commentary
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Feline / Feline Transmission of H5N1
The story linked above
discusses the ability of avian influenza to infect cats. This is
not unexpected because of the H5N1 isolates from a leopard and tiger in
Thailand earlier in the year. The H5N1 from the wild cats was
virtually identical from another H5N1 isolate from a bird in
Thailand. Moreover, the unique polymorphisms found in these three
isolates have also been found in mammalian flu viruses, including H1N2.
Thus, these recombinants are
much like the other recombinants in Thailand and Asia that have
acquired mammalian polymorphisms and expanded their host range.
Recombination, not re-assortment, is driving the pandemic in Asia.
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