H1N1 Virus : Trivalent Influenza Vaccine for the 2010-2011 Season …
March 10, 2010 — JesseThe A/California/7/2009 ( H1N1 ) virus is the pandemic strain that was used in the 2009 H1N1 monovalent vaccine. That virus has not yet undergone sufficient … Move school-age kids up in the flu shot queue, study suggestsGlobe and Mail …
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H1N1 Virus : Trivalent Influenza Vaccine for the 2010-2011 Season …