AdvertisementSouth Carolina Reports 1st Known U.S. Cases Of Variant From South AfricaJanuary 28, 2021Bill ChappellfacebookEmailA health care worker from the Medical University of South Carolina administers a coronavirus test this month in Charleston, S.C. U.S. health authorities said Thursday that the first U.S. cases of the variant that emerged from South Africa were detected in South Carolina. (Bloomberg via Getty Images)