COVID-19 Covid update: India's vaccine software; USA on Pfizer; WHO on immunity barrier December 8, 2020
COVID-19 November 17, 2020 Will Corona virus end in 2021? | Pzifer Vaccine success rate | Life to return to normal?Pfizer vaccine’s success is great news – but don’t expect life to ‘return to normal by spring’ LIKE || SHARE || SUBSCRIBE Following the news that Pfizer’s vaccine for Covid-19 is showing signs of 90% efficacy, there has been a…