Weekly Epidemiological Record (WER) for 11 March 2011

The Weekly Epidemiological Record (WER) for 11 March 2011, vol. 86, 11 (pp 93–100) includes: Antigenic and genetic characteristics of influenza A(H5N1) and influenza A(H9N2) viruses for development of candidate vaccines viruses for pandemic preparedness – February 2011.

http://www.who.int/entity/wer/2011/wer8611.pdf