Surveillance to Track Progress Toward Polio Eradication - Worldwide, 2016-2017

In 2017, 22 wild poliovirus cases were reported from two countries (Afghanistan and Pakistan), the fewest number ever reported globally. Polio cases caused by circulating vaccine-derived polioviruses increased from four in 2016 to 96 in 2017 because of large outbreaks in Syria and the Democratic Republic of the Congo.
Source: PHPartners.org - Category: International Medicine & Public Health Source Type: news