HealthDay Reports: Face Masks Can Help Prevent Viral Spread, but They Aren't Perfect — Study

redhead woman wearing blue medical mask with stars

A new study looks at how different types of face masks — from medical-grade to homemade — may reduce the spread of COVID-19.

Face Masks Can Help Prevent Viral Spread, but They Aren't Perfect: Study

FRIDAY, May 22, 2020 (HealthDay News) -- Face coverings may reduce the risk of transmitting COVID-19, a new study suggests.

Researchers assessed the effectiveness of seven types of face coverings -- including medical-grade and homemade masks -- when people breathed or coughed while standing or lying down. They were also tested using a dummy attached to a cough-simulating machine.

All face coverings without an outlet valve reduce the forward distance of a deep exhale by at least 90%, according to the study led by engineers at the University of Edinburgh in Scotland.

Read the full HealthDay story.