WHO: Vaccine-derived polioviruses (subtitled)

2,047 views · Published 31 January 2018 · 2:00 · Indexed 23 October 2026

Channel: World Health Organization (WHO) · 2018 · Nonprofits & Activism

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To eradicate polio, we need to stop all strains of the virus, including vaccine-derived polioviruses. This short video explains how these rare virus strains emerge and how to stop them.

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