South African variant of Covid-19 could significantly reduce vaccine protection, says Pfizer
South African variant of Covid-19 could significantly reduce vaccine protection, says Pfizer

source https://www.indiatoday.in/coronavirus-outbreak/vaccine-updates/story/south-african-variant-of-covid-19-could-significantly-reduce-vaccine-protection-biontech-pfizer-1770330-2021-02-18?utm_source=rss