World Epidemiological Record (20 November 2009)


The World Epidemiological Record (WER) for 20 November 2009, vol. 84, 47 (pp 485–492) includes Epidemiological summary of pandemic influenza A (H1N1) 2009 virus – Ontario, Canada, June 2009.

http://www.who.int/wer/2009/wer8447.pdf

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