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        INFLUENZA VIRUSES ISOLATED BY
        WHO/NREVSS Collaborating Laboratories
        2010 - 2011 Season
        Week A(H1) 2009 A H1N1 A(H3) A(unable to sub-type) A(Subtyping not performed) B Total # Tested % Positive
        40 0 8 14 0 28 21 2792 2.54
        41 0 11 18 0 39 24 2571 3.58

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