Warqad ka timid Professor Jonathan Van Tam (Madaxa Caafimaadka UK, Waaxda Caafimaadka iyo Daryeelka Bulshada) iyo Antonia Williams (Maareeyaha, Ilaalinta Degdegga ah iyo Ilaalinta Caafimaadka, DHSC) ee ku socota Dr June Raine (Maamulaha, Daawooyinka iyo Hay'adda Sharciyeynta Alaabooyinka Daryeelka Caafimaadka), ee ku saabsan tallaalka Covid-19 Pfizer-BioNTech (BNT162b2), ee ku taariikhaysan 22/02/12.