By DANICA KIRKA and LAURAN NEERGAARD, Associated Press
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 scientists closer to an answer to one of the big questions about the vaccination drive: Will the vaccines actually curb the spread of the coronavirus?
It’s not clear what implications, if any, the findings might have for the two other major vaccines being used in the West, Pfizer’s and Moderna’s.
In the United States, Dr. Anthony Fauci, the…
— to www.usnews.com