WVU Experiment Confirms Two Masks Are Better Than one

By: KDKA-TV News Staff
MORGANTOWN, W. Va. (KDKA/AP) – Researchers say an experiment at WVU confirmed two masks are better than one.
Research from the West Virginia University School of Medicine found the combination of a disposable surgical mask won under a tightly-fitting outer layer significantly improves filtration efficiency and protection.Researchers recruited four people to wear three types of masks individually: a disposable mask and the cloth mask and gaiter that WVU gives to stude