Fig. 3From: An assessment of the geographical risks of wild and vaccine-derived poliomyelitis outbreaks in Africa and AsiaLocation (a) and timing (b) of vaccine-derived poliomyelitis outbreaks within the AFRO, EMRO, SEARO and selected EURO countries, 2003–2016. The publication of this map does not imply the expression of any opinion whatsoever on the part of WHO concerning the legal status of any territory, city, or area or of its authorities, or concerning the delimitation of its frontiers or boundariesBack to article page