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.”
Fuente: Youtube
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.”
Fuente: Youtube