@rt.com 4 years ago Pfizer vaccine can withstand onslaught from Covid-19 mutations, according to new study
@theguardian.com 4 years ago Coronavirus live news: CDC suggests first vaccines to US healthcare workers; England enters tier system
@tmz.com 4 years ago Vaccine Expert Peter Hotez Says Pfizer Vaccine Creates New Challenges
@rt.com 4 years ago Cuomo says Covid-19 Pfizer vaccine under Trump is ‘bad news’, vows to block distribution until Biden is president