Study finds COVID-19 vaccine may reduce virus transmission
February 4, 2021
AstraZeneca's COVID-19 vaccine shows a hint that it may reduce transmission of the virus and offers strong protection for three months on just a single dose, researchers said Wednesday in an encouraging turn in the campaign to suppress the outbreak.
The preliminary findings from Oxford University, a co-developer of the vaccine, could vindicate the British government's controversial strategy of delaying the second shot for up to 12 weeks so that more people can be quickly given a first dose. Up to now, the recommended time between doses has been four weeks.
The research could also bring scienti...
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