Japan's oldest member of the imperial family, 99-year-old Princess Yuriko, who was hospitalized the previous day with a fever and cough, has contracted the coronavirus, the Imperial Court Office reported.

The princess was sent to the hospital Tuesday with a slight fever and cough. According to Kyodo News Agency, test results on Wednesday showed that she has a coronavirus. According to doctors, she has mild symptoms.

Princess Yuriko is an aunt to former Emperor Akihito.

Japan is currently experiencing the seventh wave of the coronavirus pandemic, according to experts. The daily increase in infections on Wednesday exceeded 94,000 cases, twice as many as a week earlier.