Downing Street warns ‘no guarantees’ over Covid-19 vaccine by Christmas despite ‘promising’ results in Pfizer’s trial

اشترك مجانا بقناة الديار على يوتيوب Despite ‘promising’ results in Pfizer’s coronavirus trial, Prime Minister Boris Johnson’s spokesman has warned that there are ‘no guarantees’ the vaccine will be approved by UK regulators. Pfizer...