Two new cases of circulating
vaccine-derived poliovirus type 1 (cVDPV1) were reported in the past
week, in Phonhong and Fueng, Vientiane - Lao People's Democratic Republic - with onset of paralysis on 8
January and 11 January 2016 respectively. The total number of cVDPV1
cases in 2016 is 2.
