Covid-19 Herd Immunity Proves Elusive in U.K. – The Wall Street Journal

LONDONThe U.K., in an experiment watched by the world, lifted most Covid-19 restrictions in the summer, wagering that immunity from vaccinations and prior infections would keep the virus at bay.

Three months later, the British experience shows that, in the face of the highly transmissible Delta variant of the coronavirus, herd immunity is elusive. Covid-19 cases and deaths have risen in recent weeks as winter has begun to close in. The bottom line: Reliance on immunity, which is imperfect to begin with and wanes over time, doesnt guarantee a quick victory over Delta.

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Covid-19 Herd Immunity Proves Elusive in U.K. - The Wall Street Journal