Influenza A virus subtype H3N8

Influenza A virus subtype H3N8

H3N8 is a subtype of the species Influenza A virus (sometimes called bird flu virus). H3N8 is now endemic in birds, horses and dogs.

H3N8 is suspected of causing a human pandemic in either 1889 or 1900. Sources differ; some say the 1889 pandemic was caused by H2N2. The experts also differ on exactly how sure we can be that either were involved. [ [http://scholar.google.com/scholar?hl=en&lr=&q=cache:vN-LnqPYDrgJ:biomicro.sdstate.edu/WangX/Micr425/Pathogenesis/Influenza_A.pdf+author:%22Hilleman%22+intitle:%22Realities+and+enigmas+of+human+viral+influenza:+...%22 Influenza_A] ]

It was the subtype that was responsible for over one-forth of the flu infections in wild ducks in a 1997 study. [ [http://jvi.asm.org/cgi/reprint/71/8/6128.pdf Coinfection of Wild Ducks by Influenza A Viruses] ]

ee also

*Horse flu
*Canine influenza

References

* [http://www.sciencemag.org/cgi/content/abstract/1117950v1 Transmission of Equine Influenza Virus to Dogs]


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