Reports that Pfizer’s vaccine is two thirds less effective against mutant virus variants is not fresh news 24-Feb-21 06:21 am AnalysisAnalysis, COVID-19 Anirudh Sethi Media reporting in past hours that the COVID-19 vaccine stimulated 2/3rds lower levels of neutralising antibodies was reported last week.Its not fresh news.This is relevant to the South African variant.
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