$ 0 0 Series: The Novel Coronavirus, COVID-19 And Wisconsin: May 2020State Tax Collections Dropped Sharply During Early Days Of COVID-19 PandemicShawn JohnsonWisconsin Public RadioMay 6, 2020 | 2 p.m.Shared viaWPRState government saw a sharp decline in tax revenue during the early months of the COVID-19 pandemic, a drop that was caused by a combination of the economic slowdown created by the virus and the three-month extension for filing income taxes.