Covid: Pfizer says antiviral pill 89% effective in high risk cases
An experimental pill to treat Covid developed by the US company Pfizer cuts the risk of hospitalisation or death by 89% in vulnerable adults, clinical trial results suggest.
The drug - Paxlovid - is intended for use soon after symptoms develop in people at high risk of severe disease.
It comes a day after the UK medicines regulator approved a similar treatment from Merck Sharp and Dohme (MSD).
Pfizer says it stopped trials early as the initial results were so positive.
The UK has already ordered 250,000 courses of the new Pfizer...