In my country, the first person who was declared recovered was tested for several days (and coming up negative) before being discharged. The NHK said that this

In my country, the first person who was declared recovered was tested for several days (and coming up negative) before being discharged. The NHK said that this woman had no contact with anyone after being released. I believe that, being one of the first cases, someone botched up the testing or she was discharged too early.