Scientists praise positive vaccine data as ‘watershed moment' in Covid-19 battle

News on Covid-19 vaccine welcomed by scientists (David Jones/PA)

Scientists have hailed Pfizer’s positive vaccine results as a “watershed moment” in the fight against Covid-19.

Professor Peter Horby, one of the academics who discovered that dexamethasone could increase the survival rate among Covid patients, said he smiled from “ear to ear” after seeing the findings.