At least one in seven people in England now have antibodies to Covid-19, either from a previous infection or a vaccine.
That's according to a mass blood testing survey, called REACT-2, which is run by Imperial College London and which tests for signs of immunity against coronavirus, as Benji Hyer explains from London.
IN: This study's findings
OUT: SOC
DUR: 40 secs
http://www.fsnradionews.com/feeds/0225vaccine-bh-generic.mp3