A man in his 20s was confirmed infected with the Omicron variant of the coronavirus Friday, the Tokyo metropolitan government said, adding he had visited a stadium near the capital to watch a soccer game, amid concern over the spread of potential untraceable cases of the highly transmissible strain.The man, who lives in the capital and has been hospitalized since Wednesday, is an acquaintance of a woman who was found infected with the variant after returning from the United States on Dec. 8. After meeting with the woman, the man visited Todoroki Stadium in Kawasaki, Kanagawa Prefecture, on …READ FULL ARTICLE