The Weekly Epidemiological Record (WER) for 15 June 2012, vol. 87, 24 (pp 233–240) includes: Review of the 2011–2012 winter influenza season, northern hemisphere
http://www.who.int/entity/wer/2012/wer8724.pdf
The Weekly Epidemiological Record (WER) for 15 June 2012, vol. 87, 24 (pp 233–240) includes: Review of the 2011–2012 winter influenza season, northern hemisphere
http://www.who.int/entity/wer/2012/wer8724.pdf