Coronavirus vaccine update: UK ready for roll-out but Pfizer CEO 'not certain' if vaccine stops transmission

Pfizer CEO 'not certain' if Covid vaccine stops transmission even as UK gets ready for roll-out

source https://www.indiatoday.in/coronavirus-outbreak/story/covid-vaccine-update-pfizer-ceo-not-certain-if-its-drug-prevents-transmission-as-uk-gets-ready-for-roll-out-1747076-2020-12-06?utm_source=rss