Why swine flu causing virus is named as H1N1?Any back ground? or just like that.
Influenza A viruses all have 2 proteins on them, coded the "H" protein and the "N" protein. There are about 15 different types of H, and 8 - 9 different types of N (can't remember precise numbers, but roughly). Not all infect humans by a long chalk, some types infect birds, other pigs, etc.
Each flu sub-type is classifed by the type of the two proteins it contains.
The dominent flu type affecting people during the flu winter season each year can change - the two most common are H1N1 and H3N2. The other one which people can get at the moment is H1N2.
H5N1 is the potentially very nasty bird flu there's been a lot of fuss about over the past decade or so.
The Spanihs flu in 1918 - 1919 was an H1N1 strain. I think, though I could have remembered incorrectly, that the pandemics in the 1950s and 1960s were H1N2.
You could write a hub about that
(From another account of course)
very nice. Thank u for information.As ryankett is telling, you could have written a hub. May I expect that.To add to this, why swine flu is called as Influenza A? any thing about this.
by fishskinfreak20087 years ago
OK, the question now becomes not "if" swine flu will strike, but "when" and 'how severe will the outbreak be?'
by tal g mel7 years ago
Are we before the peak?
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