Reports that Pfizer’s vaccine is two thirds less effective against mutant virus variants is not fresh news On February 24, 2021 By Anirudh Sethi In Analysis, COVID-19 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. Share this:Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on WhatsApp (Opens in new window)