Covid-19: First known US cases of potent South African variant found in South Carolina
A colorized scanning electron micrograph of an apoptotic cell (blue) heavily infected with SARS-CoV-2 virus particles (yellow) WASHINGTON, Jan 29 (NNN-AGENCIES) — A potent coronavirus variant originating in South Africa and possibly resistant to current vaccines and antibody treatments has been detected for the first time in the United States…

