US sees cases of new COVID-19 variant linked to surge in China: report

US sees cases of new COVID-19 variant linked to surge in China: report

CDC confirms presence of NB.1.8.1 variant but says cases too few to be included in official COVID tracking data

Puseletso Lesofi prepares to sequence COVID-19 omicron samples at the Ndlovu Research Center in Elandsdoorn, South Africa Wednesday, Dec. 8, 2021. (AP Photo/Jerome Delay)

Syringe for testing COVID. (iStock)

A man has his swab sample taken for a nucleic acid test for the coronavirus disease at a testing booth in Beijing, China on Nov. 11, 2022. (Reuters/Tingshu Wang)