Two Oxford vaccines less effective against Delta variant than other strains
The data suggests that both the Oxford and Pfizer vaccines induce lower levels of antibodies targeting the Delta variant.
The data suggests that both the Oxford and Pfizer vaccines induce lower levels of antibodies targeting the Delta variant.
The UK has ordered 100 million doses of the shot.
Rising case numbers have fueled doubts about whether or how the Tokyo Olympics, scheduled from July 23 until August 8, can go ahead.