Photo/Illutration A poster in English calls for passengers to wear masks at Kansai International Airport on Nov. 29. (Takaharu Yagi)

Officials have confirmed eight more cases of the Omicron coronavirus variant in Japan, Deputy Chief Cabinet Secretary Seiji Kihara said at a Dec. 10 news conference.

That brings the total number of Omicron cases confirmed in the country to 12.

The eight people tested positive at quarantine stations when they arrived in Japan from abroad.

The National Institute of Infectious Diseases used genome sequencing to analyze the positive samples.

Kihara said two were “people who had been in close contact with the first Omicron patient.”

He said he did not have detailed information on the remaining six cases.

“In any case, we would like to continue monitoring by boosting efforts for border control and genome sequencing, and thoroughly take appropriate anti-virus measures,” he added.