He said the girl had come to Nepal from France on March 17.
She was staying in isolation at her home and now she has been shifted to a hospital.
The minister also said patient’s family members have been sent to quarantine.
This is the second confirmed COVID-19 case in Nepal.
Earlier on January 24, a Nepali national who had returned from China’s Wuhan city was tested positive for COVID-19. He was later discharged from the hospital after recovery.