Aaron Longworth, 30, receives the Pfizer-BioNTech Covid-19 vaccine in Newcastle, north-east England. Getty Images
Aaron Longworth, 30, receives the Pfizer-BioNTech Covid-19 vaccine in Newcastle, north-east England. Getty Images
Oxford scientist: no booster shots until poor countries vaccinated
Prof Andrew Pollard warns global immunisation rates remain dangerously low
