vaccines continue to give a relatively high degree of protection, the researchers from institutions across the U.K. said. Fully immunized people were three times less likely to catch delta than non-immunized peers, and less likely to suffer bouts of symptomatic Covid-19 or to pass the virus on to others if they did get infected, according to the study.
The study, called React-1, looked at results of Covid testing from June 24 to July 12. The period roughly corresponds to a surge in infections across the U.K.
as the delta variant came to fully displace the alpha strain that was first detected in the country’s south and caused last winter’s horrors.
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