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Table 1 The definition of AFP case for zero case daily reporting and retrospective searching

From: Enhanced surveillance of acute flaccid paralysis following importation of wild poliovirus in Xinjiang Uygur Autonomous Region, China

AFP surveillance Areas Hospitals AFP case definition
Zero case daily reporting Southern Xinjiang and Urumqi Hospitals at township level and above AFP cases at any age
Other prefectures Hospitals at county level and above AFP case <15 years or suspected polio cases at any age
Retrospective searching Southern Xinjiang and Urumqi Hospitals at township level and above AFP case <15 years old, suspected polio case at any age in 2010; AFP case at any age, paralyzed from January 1 to August 28, 2011
Other prefectures Hospitals at county level and above AFP case <15 years old, or suspected polio case at any age, paralyzed from January 1, 2010 to August 28, 2011
  1. Note: AFP acute flaccid paralysis.