covid-19 variants June 1, 2021 8:52 pm Why the WHO Is Renaming COVID Variants With the Greek Alphabet The World Health Organization has decided to assign different Greek alphabet letters like Alpha, Beta and Gamma to each new coronavirus mutation in an effort to decrease stigma. US & World Videos 2:33 Nicholas Galitzine reveals favorite ‘The Idea Of You' scene with Anne Hathaway 1:46 Anne Hathaway reflects on chemistry read with Nicholas Galitzine for ‘The Idea Of You' 2:08 Travis Kelce calls Taylor Swift his ‘significant other' as they attend Charity Gala Date Night 1:40 Charlie Puth reacts to Taylor Swift's ‘The Tortured Poets Department' name-drop 2:52 Severe weather kills at least 5 as tornadoes rip through Midwest and South