Epidemic Curve of AFP Cases in Somalia with Line Graph of Non-Polio AFP Rate during 1998–2013
Abbreviations and AFP Case Definitions
AFP: Acute flaccid paralysis
WPV: Wild poliovirus
cVDPV: Circulating vaccine-derived poliovirus
npAFP: Non-polio AFP
Compatible: AFP cases lacking adequate stool specimens but having residual paralysis or a pattern of clinical presentation consistent with polio after 60 days of onset
Discarded: AFP cases with adequate stool specimens but testing negative for poliovirus, or lacking adequate stool specimens and not having residual paralysis or a pattern of clinical presentation consistent with polio after 60 days of onset
Pending: AFP cases pending final classification