It was confirmed that 6 people were infected with the Omicron strain, a mutant virus of the new coronavirus, in Nagano City.
This is the first time that an infected person of Omicron strain has been confirmed in the prefecture.
The six people have not recently traveled abroad, and the Nagano City Health Center is working to identify the infection route and the people with whom they have had close contact.
According to the Nagano City Health Center, the infection was confirmed in a total of 6 people, including 5 people who visited Nagano City from the Kansai region late last month and 1 person who lives in another Nagano City.
This is the first time that an infected person of Omicron strain has been confirmed in the prefecture.
According to the Nagano City Health Center, as a result of analyzing the genes of 6 people at Shinshu University Hospital, it was confirmed that they were infected with the Omicron strain.
According to the Nagano City Health Center, the six people have no recent overseas travel history and no contact with people who have traveled abroad, and the infection route is unknown at this time.
The six are currently hospitalized at a medical institution.
Nagano City Health Center is promoting the identification of infection routes and people with close contact.
Yoshikiyo Kobayashi, director of the Nagano City Health Center, said, "I want you to take basic infection control measures. I would like you to do what you do on a daily basis without overreacting."