ChAdOx1 nCoV-19 vaccine does not protect against South African SARS-CoV-2 variant: The results of a double-blind, randomized, multisite placebo-controlled trial that was conducted in South Africa show that Oxford’s ChAdOx1 nCoV-19 (AZD1222) vaccine has no efficacy against the ... Source: "South Africa" - BingNews Louis Rees-Zammit can start for British & Irish Lions with … [Read more...] about SA News: ChAdOx1 nCoV-19 vaccine does not protect against South African SARS-CoV-2 variant