Health workers walk from house to house in search of children to immunise during vaccination campaign against polio at Hotoro-Kudu, Nassarawa district of Kano in northwest Nigeria. AFP
A child reacts as he receives an injection during the nationwide vaccination campaign against measles, rubella and polio targeting all children under 15 years old in Nkozi town, about 84 km from the capital Kampala. AFP
A Health worker administers a vaccine to a child during a vaccination campaign against polio at Hotoro-Kudu, Nassarawa district of Kano in northwest Nigeria. AFP
A South Sudanese child plays in a street after visiting a mobile clinic in Rejaf. AFP
A child reacts as he receives an injection during the nationwide vaccination campaign against measles, rubella and polio targeting all children under 15 years old in Nkozi town, about 84 km from the capital Kampala. AFP
A boy receives drops of polio vaccine by a home-visited nurse after the launching ceremony of the five-day polio vaccineation campaign in high risk counties, targeting about two million children under five years old, in Kajiado, Kenya. AFP
A child is vaccinated during a launching ceremony of the five-day polio vaccineation campaign in high risk counties, targeting about two million children under five years old, in Kajiado, Kenya. AFP
Health workers walk from house to house in search of children to immunise during vaccination campaign against polio at Hotoro-Kudu, Nassarawa district of Kano in northwest Nigeria. AFP
A child reacts as he receives an injection during the nationwide vaccination campaign against measles, rubella and polio targeting all children under 15 years old in Nkozi town, about 84 km from the capital Kampala. AFP
A Health worker administers a vaccine to a child during a vaccination campaign against polio at Hotoro-Kudu, Nassarawa district of Kano in northwest Nigeria. AFP
A South Sudanese child plays in a street after visiting a mobile clinic in Rejaf. AFP
A child reacts as he receives an injection during the nationwide vaccination campaign against measles, rubella and polio targeting all children under 15 years old in Nkozi town, about 84 km from the capital Kampala. AFP
A boy receives drops of polio vaccine by a home-visited nurse after the launching ceremony of the five-day polio vaccineation campaign in high risk counties, targeting about two million children under five years old, in Kajiado, Kenya. AFP
A child is vaccinated during a launching ceremony of the five-day polio vaccineation campaign in high risk counties, targeting about two million children under five years old, in Kajiado, Kenya. AFP
Health workers walk from house to house in search of children to immunise during vaccination campaign against polio at Hotoro-Kudu, Nassarawa district of Kano in northwest Nigeria. AFP