Nurse Christina McCavana prepares the vials of the Pfizer coronavirus disease (COVID-19) vaccine for use at a pop-up vaccination clinic in the Central Fire Station in Belfast, Northern Ireland, December 4, 2021. REUTERS/Clodagh Kilcoyne/File Photo
LONDON: Britain’s health regulator on Tuesday authorised a COVID-19 vaccine for infants as young as six months, opening the door for vaccinating the country’s youngest children once the UK’s Joint…