WHO WPRO Polio Bulletin - 2022 Issue No. 20 - Week 39



Afghanistan completes largest ever review of polio surveillance system


To ascertain whether the sharp decline in the number of children paralysed by wild poliovirus in Afghanistan in the last eighteen months was an accurate reflection of the reality on the ground, 16 polio experts  visited 76 districts in 25 of the country’s 34 provinces, interviewing 899 people, among them volunteers who form part of the community surveillance network made up of more than 46,000 people including pharmacists, community health workers, faith healers, nurses, imams, and bone fixers. The review took place from 6 to 19 June 2022 during a window that opened between a series of nationwide polio vaccination campaigns. 

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