The protection that vaccines give against coronavirus infection, and potentially severe disease, is highly likely to wane over time so vaccine campaigns will continue for years to come, scientists told the British government's advisory group.
s give against coronavirus infection, and potentially severe disease, is highly likely to wane over time socampaigns will continue for years to come, scientists told the British government's advisory group.induced immunity to SARS-CoV-2 infection, and potentially severe disease will wane over time," according toconsidered by the government's Scientific Advisory Group for Emergencies .
Britain has approved and is using three shots - Oxford-AstraZeneca, Pfizer-BioNTech and Moderna - in a mass vaccination program that started in December 2020.s protect with 95% or greater effectiveness against the Alpha variant that dominated in Britain in early 2021, the scientists said, although the ability of the shots to protect against infection and onward transmission was lower.
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