Africa to be declared free of polio
Disease control and prevention The announcement that Nigeria is clear will mark a milestone in the global fight against infectious disease A health worker immunises a child against polio in Kano, north-west Nigeria. As well as the difficulties of working amid militant violence, vaccinators faced immense logistical challenges and deep mistrust © Pius Utomi Ekpei/AFP/Getty Africa is set to be declared polio-free, a milestone in the global fight against infectious disease amid a pandemic that has diverted some resources away from health programmes not linked to coronavirus. On Tuesday the World Health Organization will announce that Nigeria has been certified free of wild polio, which means the virus has been eradicated from the entire continent. It marks the second time in history that a virus has been eradicated from Africa, since smallpox 40 years ago. Tedros Adhanom Ghebreyesus, director-general of the WHO, called it “one of the greatest public health achievements”...