A doctor at the University of Minnesota says he just created a simpler, cheaper ventilator that could save lives, Erin Hassanzadeh reports (1:52).
WCCO 4 News at 5:30 - March 22, 2020
A doctor at the University of Minnesota says he just created a simpler, cheaper ventilator that could save lives, Erin Hassanzadeh reports (1:52).
WCCO 4 News at 5:30 - March 22, 2020