Africa set to be declared polio free as Nigeria marks three years without the disease

Nigeria is set to mark three years since it saw its last case of polio on Wednesday – an important landmark on the road to official eradication of this deadly childhood disease.
Read more: https://www.telegraph.co.uk/global-health/science-and-disease/africa-set-declared-polio-free-nigeria-marks-three-years-without/?source=Snapzu