Tracking the next pandemic: Avian Flu Talk |
h5n1, h5n2, h5n3, h5n4..... |
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Posted: July 26 2006 at 9:08pm |
Ok, you know how they give these names to the different influenzas? H1N1 is now the seasonal flu, right? Is there an H1N2 or 3 or 4? Is there a H2N1 or and H3N1? And if there are, are they scary?
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jknoel
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The H refers to the hemagglutinin molecules and the N refers to the neuraminidase molecules on the surface of the influenza virus. There are currently a total of 16 H subtypes and 9 N subtypes that can combine in any combination which gives a grand total of 144 different combinations of flu that are potential. H1N1 and H3N2 are the current seasonal flu subtypes. H9N2, H7N7, and H7N2 have rarely infected humans but they are not nearly as lethal as H5N1 is. |
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The only way to grow is to take a chance.
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from a famous wiki,
Influenza A viruses are significant for their potential for disease and death in humans and other animals. Influenza A virus subtypes that have been confirmed in humans, in order of the number of known human pandemic deaths that they have caused, include:
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billy the kid
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what about H5N4
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H5N4... Hawaii Five-0 S5 Ep13 or you mean it?
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