Covid-19: Single dose of Pfizer or AstraZeneca vaccine produces strong antibody response in over 80s

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Covid-19: Single dose of Pfizer or AstraZeneca vaccine produces strong antibody response in over 80s

A single dose of the Pfizer or Oxford-AstraZeneca covid-19 vaccine produces equivalent antibody responses five weeks after vaccination, a small study looking at people over 80 has found.The study,…

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