The Weekly Epidemiological Record (WER) for 29 June 2012, vol. 87, 26 (pp 245–252) includes: Index of countries/areas; Index, Volume 87, 2012, Nos. 1–26; Performance of acute flaccid paralysis (AFP) surveillance and incidence of poliomyelitis, 2012

http://www.who.int/entity/wer/2012/wer8726.pdf