South Korea has confirmed its first cases of the new Omicron variant of the coronavirus, Yonhap News Agency reported Wednesday citing health authorities, increasing concerns over COVID-19 amid a surge in infections of the existing Delta strain.Five people, including a married couple who had visited Nigeria from Nov. 14 to 23 and their friend, have tested positive for the Omicron variant in genetic sequencing tests, the Korea Disease Control and Prevention Agency said, according to the report.The couple were fully vaccinated, the agency said in the report. The two and their friend, all in th…READ FULL ARTICLE