A Polio vaccination campaign in Guinea-Bissau responds to a resurgence of cases
Guinea-Bissau was certified as polio-free between 1998 and 2021, with no recorded cases of polio for more than 20 years. However, four cases of polio were confirmed in the capital Bissau and Biombo region, in October 2021. In addition, polio cases were reported in neighbouring countries, namely Guinea-Conakry, Sen...