Dr. Tedros Adhanom Ghebreyesus, the head of the World Health Organization, said Thursday that while the COVID-19 omicron variant seems to be less severe than delta, it should not be categorized as mild.
Dr. Tedros Adhanom Ghebreyesus, the head of the World Health Organization, said Thursday that while the COVID-19 omicron variant seems to be less severe than delta, it should not be categorized as mild.
