Japan's first case of a coronavirus variant has been found in Sendai, the northeast Japan city's government said Thursday.The mutation was described as a recombinant virus mixing genetic information of the Omicron variant's BA.1 and BA.2 subtypes. It differs from the Omicron XE derivative strain that presents a risk of a sudden rise in cases.The person with the new variant developed symptoms in late March. Because the patient had a mild case and no recent history of foreign travel, the person was allowed to recover without hospitalization. No transmission from the patient has been confirmed…READ FULL ARTICLE