Infection with the mutated new coronavirus "Delta strain" confirmed in India may be spreading rapidly in 1 metropolitan area and 3 prefectures.

It was confirmed that about 4,800 people were infected with the virus with the same mutation in the week up to 2 days, which is double the number in the previous week.

According to the Ministry of Health, Labor and Welfare, as a result of the local government conducting PCR tests on some of the people infected with the new coronavirus, 4804 people in Tokyo, Kanagawa, Saitama, and Chiba prefectures totaled 4804 people in a week up to 2 days. , It was confirmed that it was infected with a virus having the same "L452R" mutation as the Delta strain confirmed in India.

Most appear to be Delta strains, a 2.1-fold surge over the previous week.

The breakdown was 2833 in Tokyo, followed by 945 in Saitama, 722 in Kanagawa, and 304 in Chiba.

In addition, 385 people in Osaka prefecture and 153 people in Okinawa prefecture have spread the infection in the areas subject to the state of emergency.

In addition, the percentage of confirmed mutations in "L452R" in the local government's PCR test conducted during the week up to the 25th of last month was 59% in Chiba prefecture, 13 points in the previous week, and 54% in Tokyo. 11 points for the previous week, 51% for Saitama prefecture, 13 points for the previous week, 43% for Kanagawa prefecture, 13 points for the previous week, 40% for Okinawa prefecture, 17 points for the previous week, 15 points for Osaka prefecture. % Was 5 points higher than the previous week.

The replacement of Delta strains is expected to be progressing rapidly, and the Ministry of Health, Labor and Welfare is calling for thorough infection control measures, saying that the spread of infection may further progress in the future.