Question

Swine Flu's Casual Organism is Fast​

Answer 1

Answer:

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Explanation:

Swine influenza virus (SIV) or swine-origin influenza virus (S-OIV) is any strain of the influenza family of viruses that is endemic in pigs. As of 2009, the known SIV strains include influenza C and the subtypes of influenza A known as H1N1, H1N2, H2N1, H3N1, H3N2, and H2N3.

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Answer 2

Answer:

Swine flu viruses may mutate (change) so that they are easily transmissible among humans. The April 2009 swine flu outbreak (pandemic) was due to infection with the H1N1 virus and was first observed in Mexico.

Explanation:

Researchers say the virus probably first emerged in humans sometime in 2008.Pigs can become mixing pots for viruses to swap genes and mutate. Scientists say the gene-swapping that gave rise to the newly discovered swine flu virus happened 10 or 20 years ago, and the triple virus spread among pigs for years.