The Weekly Epidemiological Record (WER) for 6 May 2011, vol. 86, 19 (pp 177–188) includes: Second meeting of the GPEI (Global Polio Eradication Initiative) Independent Monitoring Board; 180 Progress towards meeting the 2012 hepatitis B control milestone: WHO Western Pacific Region, 2011 http://www.who.int/entity/wer/2011/wer8619.pdf