The region of the Americas was the 1st to be certified polio-free by WHO in 1994, after the concerted efforts
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The region of the Americas was the 1st to be certified polio-free by WHO in 1994, after the concerted efforts of thousands of vaccinators, epidemiologists and PAHO.
Today, countries are urged to protect this historic achievement. Learn why ⬇️. paho.org/en/stories/his…