Fig. 3

Circulating Vaccine Derived Polio Virus trend before and after the special interventions in the 10 Local government areas with rivers that drained to Kamacha river- Kaduna, Nigeria, 2014–2015
Circulating Vaccine Derived Polio Virus trend before and after the special interventions in the 10 Local government areas with rivers that drained to Kamacha river- Kaduna, Nigeria, 2014–2015