[DW.com]Polio: All you need to know about the viral disease – DW – 03/14/2024
Polio is a very contagious viral disease caused by the poliovirus. It can cause permanent disability and even death, especially in children under the age of five. There are two types of polio present in the world today: Wild poliovirus and vaccine-derived poliovirus. The latter originates from an oral ...