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.
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.