Covid Cases Are Soaring in Britain Again. Why?


Francois Balloux, Director of the Genetics Institute at University College London, rattled off a half-dozen other inputs into the U.K.’s infection picture. As an early vaccinator, immunity is now waning especially for older people, he told me. (The U.K. also relied heavily on the AstraZeneca Plc vaccine, which offers lower protection from the delta variant.) Other factors such as population density or average household size can also make the U.K. more vulnerable than, say, Denmark. And although Britain has a high vaccination rate, more deprived areas where vaccine coverage is poor can lead to higher rates of death.


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