Share of one-year-olds who are vaccinated against polio, 2021

Share of one-year-olds who have received the third dose of polio-containing vaccine. This may be either the oral or the inactivated polio vaccine (Pol3).

No data0%20%40%60%70%80%90%95%100%
World

Source: WHO; UNICEF (2022)

Note: Polio is a highly infectious viral disease. The polio virus invades the nervous system and can cause irreversible paralysis.