December 31, 2021
WHO Director-General Tedros Adhanom Ghebreyesus described the Delta and Omicron variants as “twin threats”.
WHO Director-General Tedros Adhanom Ghebreyesus described the Delta and Omicron variants as "twin threats".
December 31, 2021
WHO Director-General Tedros Adhanom Ghebreyesus described the Delta and Omicron variants as “twin threats”.