COVID 19 Tech

Scary 22% vaccine efficacy in South Africa comes with heaps of caveats

Enlarge / Vials in front of the AstraZeneca British biopharmaceutical company logo are seen in this creative photo taken on 18 November 2020. (credit: Getty| NurPhoto) Dismal preliminary data on AstraZeneca’s COVID-19 vaccine in South Africa—where the B.1.351/ 501Y.V2 coronavirus variant is spreading widely—lead the government there to rethink its vaccination rollout and raised further […]