why are flags at half staff today in mn?

why are flags at half staff today in mn?
Flags Flown At Half-Staff to Honor the Lives Lost to COVID-19. All United States flags and Minnesota flags to be flown at half-staff in the State of Minnesota, from sunrise until sunset on Thursday, November 19, 2020 to remember, mourn, and honor the lives lost to COVID-19.
Full answer in: mn.gov