Efficacy of the ChAdOx1 nCoV-19 Covid-19 Vaccine against the B.1.351 Variant User Puffin_fan, in the Immunity Card City subreddit, 20 May 2021
Efficacy of the ChAdOx1 nCoV-19 Covid-19 Vaccine against the B.1.351 Variant User rabidsoggymoose, in the COVID-19 subreddit, 20 May 2021
Astra Zeneca vaccine does not protect against mild-to-moderate Covid-19 due to the South African variant. User worldnewsbot, in the News From Around The World subreddit, 17 Mar 2021