The Weekly Epidemiological Record (WER) for 14 October 2011, vol. 86, 42 (pp 457–468) includes: Recommended composition of influenza vaccines for use in the 2012 southern hemisphere influenza season
The Weekly Epidemiological Record (WER) for 14 October 2011, vol. 86, 42 (pp 457–468) includes: Recommended composition of influenza vaccines for use in the 2012 southern hemisphere influenza season