Delta Variant Of SARS-CoV-2 Represents One-Fifth Of Recent COVID-19 Cases In US, CDC Says

Bloomberg (6/23, Chen) reports the delta variant of SARS-CoV-2 “is spreading rapidly in the U.S. and now accounts for a fifth of recent coronavirus cases,” according to comments made Tuesday by CDC Director Rochelle Walensky. The variant may be “the secon...