UK medical adviser: AstraZeneca vaccine 70% effective after 21 days

UK medical adviser: AstraZeneca vaccine 70% effective after 21 days

(STL.News) One dose of Oxford/AstraZeneca’s COVID-19 vaccine is around 70% effective after 21 days and before the second dose is given, a British doctor involved in the approval of the vaccine said on Wednesday (December 30).

YouTube video provided courtesy of WION News

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