case_images: PMC4263476_01
case_images: PMC4263476_02
case_images: Weekly distribution of AFP cases <15 years of age by classification in 2011 and 2012 in Ngawa Tibetan and Qiang Autonomous Prefecture, Sichuan Province, China.. Note: VDPV, vaccine-derived poliovirus; AFP, acute flaccid paralysis.
case_images: pone.0113880.g001.jpg
case_images: PMC4263476_02_pone.0113880.g001.jpg
case_images: pone-0113880-g001
case_images: Totally, 7 AFP cases were reported in Ngawa Tibetan and Qiang Autonomous Prefecture in 2011, including one clinical compatible polio case, one VDPV case and 5 non-polio AFP cases all of whom were paralyzed after the index case (Fig. 1). AFP cases were reported in 2012, including 2 VDPV cases and 7 non-polio AFP cases all of whom were paralyzed after the last VDPV case (Fig. 1). All the 7 non-polio AFP cases were diagnosed as transverse myelitis.