@WHO: It's #WorldPolioDay There are 3⃣ strains of wild poliovirus. Type 2 and type 3 have officially been certified as globally eradicated. Wild poliovirus type 1 still affects two countries: 🔸 Pakistan 🔸 Afghanistan 👉 https://t.co/ZfTBRfHLTe https://t.co/hGHxK9m3Ee

@WHO: It's #WorldPolioDay There are 3⃣ strains of wild poliovirus. Type 2 and type 3 have officially been certified as globally eradicated. Wild poliovirus type 1 still affects two countries: 🔸 Pakistan 🔸 Afghanistan 👉 https://t.co/ZfTBRfHLTe https://t.co/hGHxK9m3Ee

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