title: Performance of acute flaccid paralysis (AFP) surveillance and incidence of poliomyelitis, 1999-2000 (data received in WHO Headquarters as of 1 June 2000).
mesh_terms: D000208:Acute Disease; D006801:Humans; D015994:Incidence; D009123:Muscle Hypotonia / Q000453:epidemiology*; D010243:Paralysis / Q000453:epidemiology*; D011051:Poliomyelitis / Q000453:epidemiology*; D011159:Population Surveillance