Thursday, August 19, 2021
Vaccines still effective against Delta variant of concern, says Oxford-led study of the COVID-19 Infections Survey
Two doses of either vaccine, Pfizer-BioNTech or Oxford-AstraZeneca, still provided at least the same level of protection as having had COVID-19 before through natural infection; people who had been vaccinated after already being infected with COVID-19 had even more protection than vaccinated individuals who had not had COVID-19 before.
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