[No new polio cases in the semester ending] 31 December 2022

Created by Bruno Parga on 2017-12-23; known on 2023-01-01

• Bruno Parga estimated 100% on 2017-12-23
• Bruno Parga estimated 7% on 2019-01-01
• Bruno Parga estimated 2% on 2021-07-01

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