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        INFLUENZA VIRUSES ISOLATED BY
        WHO/NREVSS Collaborating Laboratories
        2006 - 2007 Season
        Week A(H1N1) & A(H1N2) A(H3N2) A(Unk) B Total # Tested % Positive
        40 4 2 1 4 1379 0.8
        41 14 1 0 3 1290 1.4
        42 0 1 1 1 1164 0.3

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