Pfizer, AstraZeneca vaccines help prevent hospitalization, Scottish data suggests
Provided By - Video Elephant on February 23, 2021
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New data out of Scotland indicates that two COVID-19 vaccines have great efficacy even when the time between doses is stretched out. The Oxford AstraZeneca and the Pfizer-BioNTech vaccines were found to be more than 80 per cent effective at preventing hospitalizations after just one shot.