Clerk Write out Overview how many cases of polio in 2021 Change Realm combine
Polio vaccination map: The states with highest and lowest rates
Chart: The Long Road to Global Wild Polio Eradication | Statista
eFlashOnline - Wild polio virus update from WHO as on 26 May 2021 – No new cases are reported during this week. More at http://polioeradication.org/ polio-today/polio-now/this-week/ In 2021 – 2: Afghanistan 1, Pakistan