Oct.12 — World Health Organization Director-General Tedros Adhanom Ghebreyesus says herd immunity has never been used as a strategy for responding to an outbreak as it is “scientifically and ethically problematic.”
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Oct.12 — World Health Organization Director-General Tedros Adhanom Ghebreyesus says herd immunity has never been used as a strategy for responding to an outbreak as it is “scientifically and ethically problematic.”