On Jan. 22, Tainan City Government announced the footprints of a confirmed case from Kaohsiung City. Case #183522, a male in his forties, started to experience a cough, tiredness and a throat tickle on Jan. 20 and he was confirmed as a COVID-19 case on Jan. 22. Case #18352 had been to Nanhua District and Danei District in Tainan; his contacts are all undergoing home isolation and their specimens had been collected. Case #18352’s footprints are listed in the appendix.