Reinfected or Faulty Test? A woman in Osaka, who tested positive in January and was discharged on February 1st, tests positive again #Coronavirus

Reinfected or Faulty Test? A woman in Osaka, who tested
positive in January and was discharged on February 1st,
tests positive again

r.nikkei.com/article/DGXMZO56100960W0A220C2AC8000?s=4