A pharmacist draws up a dose of a covid-19 vaccine in Toronto, Canada. Canadian Press/Shutterstock
Booster shots of the Oxford/AstraZeneca covid-19 vaccine work well, but as yet there is no evidence that we will actually need them, according to new data from the team who developed it.
The Oxford University researchers gave a third dose of vaccine to 90 double-jabbed volunteers aged between 18 and 55 who had received their second dose on average 30 weeks earlier. The shot raised antibody levels above where they were 4 weeks after the second dose and …
source: newscientist.com