Different age groups may get different Covid vaccines, experts say

Oxford/AstraZeneca planning new trial of lower-dose jab to see how well it works in older people Coronavirus - latest updates See all our coronavirus coverage Concerns around the efficacy of the Oxford University/AstraZeneca coronavirus jab in older people could lead to different age groups being given different vaccines, experts have said. The partners announced last week that the vaccine had a 70% efficacy overall. For most trial participants - given two full doses, spaced a month apart - the ...