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Vaccine stockpiling by nations could lead to increase in COVID-19 cases, novel variant emergence
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Why is the delta coronavirus variant faster at making people sick?
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People at Kings Cross train station in London on December 20 (EPA)
The rapid spread of the Covid-19 Alpha variant in Britain during the Autumn last year was a “super-seeding event” that did not slow down until harsh lockdown restrictions were put in place, a new study has revealed.
The proliferation of the virus was driven by biological changes that made it more transmissible, but also because a large amount of people were travelling to different parts of Britain from London and the south-east where it originated.
Researchers said that mobility of the virus did not begin to slow until after Tier 4 Covid restrictions were implemented, but export of the Alpha or ‘Kent’ variant did not lessen until early January because of increasing case numbers.
TORONTO How did the Alpha variant â the first COVID-19 variant of concern to be identified, appearing first in Kent county in southern Englandâ spread across the U.K. so quickly in 2020? This is the focus of a new study, which looks for the first time at how B.1.1.7 evolved and took over the U.K. in the fall and winter of 2020. According to the study published Thursday in the journal Science, large numbers of infected individuals carrying the variant from central locations to new parts of the U.K. helped the variant spread as fast and far as it did.
Super-seeding drove UK spread of Alpha variant, study shows
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