Official Announcement from Imperial Household Agency
Princess Aiko, the only child of Emperor Naruhito and Empress Masako of Japan, has tested positive for COVID-19. The diagnosis was officially announced by the Imperial Household Agency on Thursday, October 2, 2025.
Details of the Diagnosis and Isolation
According to the Imperial Household Agency, Princess Aiko underwent testing after reporting a fever of approximately 38.5 degrees Celsius and throat pain on Tuesday afternoon. Following the positive test result, the Princess will remain isolated in her room at the Imperial Palace until Sunday.
Impact on Public Engagements
As a direct consequence of her diagnosis, Princess Aiko has canceled her scheduled trip to Shiga Prefecture, located in western Japan. This trip, planned to commence on Sunday, was for her participation in the Japan Games, a significant national sports event.
Imperial Family Protocols and Health Measures
While Emperor Naruhito and Empress Masako have not reported any symptoms of COVID-19, the Imperial Household Agency stated that they would undergo testing if deemed necessary. The Imperial couple is scheduled to visit the western prefectures of Kyoto and Osaka starting Saturday. The Imperial Household Agency is a government organization responsible for state matters concerning the Imperial Family, including their health, security, and travel arrangements.
5 Comments
Comandante
Transparency from the Imperial Household is important.
Africa
Time to move past COVID-19 hysteria.
Habibi
Another event cancelled, the fear is endless.
Coccinella
The transparency from the Imperial Household Agency is commendable in building trust. Yet, it also highlights the continued disruption to important public engagements, which affects many beyond just the Princess.
Manolo Noriega
Hope her symptoms are mild and she rests.