Avera Health Chief Medical Officer says science clear on masks

SIOUX FALLS, S.D. (WNAX) – There is continued debate over the use of face masks to slow the spread of Covid-19 and if cities should mandate wearing them.

Avera Health Chief Medical Officer, Dr. Michael Elliott, says the science is clear.

Elliott says people should not be confused on the effectiveness of masks.

Elliott says wide spread use is most effective.