Massachusetts 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 10:42 Multiple people arrested as police clear campus encampments 1:40 Heavy police presence near on-campus protests 4:17 Police presence grows at pro-Palestinian encampment at Northeastern 5:39 Billerica police sergeant hit and killed by excavator during construction detail 2:37 Quincy detective resigns amid allegations of ‘unwelcome, sexually explicit conduct'