TOKYO -- Japan is reviewing the idea of vaccine passports as part of efforts to allow Japanese to travel overseas, Taro Kono, minister in charge of the inoculation program, said on Monday.
If other countries require such documents, Japan will have to follow, Kono says

Japan is reviewing the idea of vaccine passports as part of efforts to allow Japanese to travel overseas, Taro Kono, minister in charge of the inoculation program, said on Monday.
TOKYO -- Japan is reviewing the idea of vaccine passports as part of efforts to allow Japanese to travel overseas, Taro Kono, minister in charge of the inoculation program, said on Monday.