COVID-19 Vaccine Shows 90% Effectiveness In Phase-3 Trials, Claims Pfizer by Shatakshi Gupta November 10, 2020 by Shatakshi Gupta Now, it is going to be an year when all this started, we have been witnessing the spread of this pandemic COVID-19 right from the very… Read more 0 FacebookTwitterPinterestLinkedinTumblrRedditWhatsappTelegramEmail