The Weekly Epidemiological Record (WER) for 4 September 2009, vol. 84, 36 (pp 361–372) includes: Global influenza surveillance network: laboratory surveillance and response to pandemic H1N1 2009; Global detection of wild and vaccine-derived polioviruses, January 2008–June 2009; Monthly report on dracunculiasis cases, January–July 2009. http://www.who.int/wer/2009/wer8436.pdf