The diplomatic mission reported that a woman hospitalized the day before with suspected COVID-19 did not confirm the presence of coronavirus, while the virus was detected in her husband.
Currently, the man is in a specialized medical institution in Aichi Prefecture. The course of the disease goes without symptoms, the state of health is normal, the report says.
Given his high risk of infection, his wife was also taken to a hospital in Kanagawa.
Russian diplomats are in control of the situation around Russian citizens on board.