![(FILES) In this file photo taken on July 17, 2020 people wearing protective face masks walk along King St.in Charleston, South Carolina. South Carolina is struggling with a high percentage of positive coronavirus (COVID-19) test results. A more transmissible variant of the coronavirus identified in South Africa has been detected for the first time on US soil in two adults with no travel history and no connection to each other, officials said January 28, 2021.
The cases were found in the state of South Carolina, according to a statement.
/ AFP / GETTY IMAGES NORTH AMERICA / Sean Rayford](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/SWYSDDGQYTQ3LV5R7NZTLSELR4.jpg?smart=true&auth=893f663630b3c8a6763f7eee64b1adb496fb7a48c6b56adb39f2b505f0dcd6ec&width=400&height=225)
People wearing masks on US street, June 17, 2020. AFP
People wearing masks on US street, June 17, 2020. AFP
First US cases of South African coronavirus variant found in South Carolina
All three 'variants of concern' defined by World Health Organisation are spreading in US