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Deliberately allowing Covid-19 to spread in the hope of achieving so-called herd immunity is “unethical”, an expert has warned.
WHO Director-General Tedros Adhanom Ghebreyesus said the concept, which occurs when a large portion of a population becomes immune to a disease, “means allowing unnecessary infections, suffering and death”.
It came as Boris Johnson said Covid-19 cannot be allowed to “rip” through the population and that letting the virus “take hold” among the young and fit while shielding the elderly and vulnerable was “no answer”.
Speaking at a virtual media briefing on Monday, Dr Tedros said: “Although older people and those with underlying conditions are most at risk of severe disease and death, they aren’t the only ones at risk.
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