A woman working as a tour guide in Japan has twice tested positive for coronavirus in what is believed to be the first such case.
The woman in her 40s was first confirmed as infected with the coronavirus on January 29.
After being discharged from hospital she tested negative for the virus on February 6, although she still had a cough at the time.
She had no symptoms a week later, but returned to the doctor on February 21 complaining of a sore throat and chest pains.
On Wednesday, she tested positive for the coronavirus for a second time, officials said.
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