swine flu immunization
February 21, 2010 — JesseInfluenza B has not been reported in pigs. Swine influenza is known to be caused by influenza A subtypes H1N1, H1N2, H3N1, H3N2 and H2N3. In pigs, three influenza A virus subtypes (H1N1, H3N2 , and H1N2) are the most common strains …
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swine flu immunization