A woman aged 30, who lives in the Toyota city, was diagnosed with coronavirus on Thursday, the 12th, city health officials said.
The woman had contact with a man aged 50 years infected at a restaurant in the city of Gamagori, the man even knowing he was infected went to the restaurant.
After being diagnosed with coronavirus, health officials asked the man to be isolated at home, but the recommendations were ignored.
According to an interview in the city of Toyota, the woman had fever and sore throat since the 8th, as a result of the examination, the infection was confirmed on the 12th.
The woman had contact with several family members and the city says it will monitor the process. Infections in the Aichi region affect 105 people.