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According to a survey conducted by each country, a variant of the new coronavirus, which has spread in the UK and is said to have strong infectivity, has spread to at least 49 countries and regions. Also in Japan, a total of 34 returnees and close contacts were confirmed to be infected with variants such as the UK. In some cases, it has gone through the airport quarantine, and experts warn that there are limits to border measures.
In Japan, in addition to infection with another variant found in South Africa, another variant of infection was confirmed in returnees from Brazil. Like other viruses, there is a concern that the new corona will spread due to multiple mutations.
Shigeru Omi, chairman of the subcommittee on infectious disease countermeasures of the new crown of the Japanese government, also warned that “a very critical situation will occur if an epidemic occurs.” In Japan, the infection was confirmed in 23 people, about 70% of returnees after December 1 of last year, who were asymptomatic.
In some cases, infection with a mutant species was confirmed after a negative test at the Japan airport quarantine, and the Ministry of Health, Labor and Welfare continues the investigation, dating back to returnees before December of the year. past. (Set = Yui Yamazaki)