University of Missouri looking to fill hundreds of vaccine appointments in Columbia this weekend The MU health care system said anyone who is eligible under current Missouri rules can sign up through the system's website Author: Sam Clancy Updated: 3:19 PM CST March 4, 2021 COLUMBIA, Mo. — MU Health Care has hundreds of vaccine appointment slots open this weekend for their clinics in Columbia, Missouri. The health care system said anyone who is eligible under current Missouri rules can sign up through the system's website here. "This opportunity is the result of successfully shrinking numbers of eligible unvaccinated individuals and an increasing supply of vaccine doses," a news release from the system said.