$ 0 0 Series: The Novel Coronavirus, COVID-19 And Wisconsin: May 2020DHS: 18,403 Confirmed COVID-19 Cases In WisconsinWPR StaffWisconsin Public RadioMay 31, 2020 | 2 p.m.Shared viaWPRThere have been 18,403 positive cases of COVID-19 in Wisconsin as of May 31, according to the state Department of Health Services. That's an increase of 173 cases from the day before.