On March 19th the MN Gov ordered this following CDC guidelines. I am not sure but except for the Twin Cities, which does have international flights from Asia or used to, at that time MN may not have had many cases at all. Without looking at MN's covid numbers and locations much of that state might have had fully operational hospitals or close to it on a more location by location basis.
https://mn.gov/governor/news/?id=1055-423863
Governor Walz Orders Health Care Providers to Postpone Elective Surgeries and Procedures to Prioritize COVID-19 Response
March 19, 2020
[ST. PAUL, MN] – Governor Tim Walz today signed
Executive Order 20-09, ordering health care providers to postpone elective surgeries and procedures, including non-emergent elective dental procedures, to focus health care capacity and equipment on responding to COVID-19 cases and other emergencies.
This order complies with guidance issued on March 17, 2020, from the Centers on Disease Control and Prevention (CDC), as well as similar guidance from the Centers for Medicare and Medicaid Services issued on March 18, 2020, to delay elective surgeries and procedures, both to conserve health care resources and to reduce contact between patients and providers.