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From:Weekly Epidemiological Record (Vol. 97, Issue 3)Wild poliovirus types 2 and 3 were declared eradicated in 2015 and 2019, respectively, and, since 2017, transmission of wild poliovirus type 1 (WPV1) has been detected only in Afghanistan and Pakistan. In 2020, these...
From:Weekly Epidemiological Record (Vol. 95, Issue 41)Wild poliovirus type 1 (WPV1) is still being transmitted only in Afghanistan and Pakistan. (1) After decreases in the numbers of cases in Afghanistan during 2013-2016, the number increased each year during 2017-2020....
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