Stay up to date with notifications from The Independent

Notifications can be managed in browser preferences.

Independent TV

Showing now | News

Expert demonstrates efficacy of double masks in cold weather

01:41

Expert shows efficacy of double masks in cold weather

Moisture-control expert Chad Roy used cold weather in Vermont to demonstrate how doubling up facemasks can help prevent the spread of Covid-19. In a viral TikTok video Mr Roy compares different types of mask combinations and used the cold, winter air to visualise his breath escaping.

Up next

Thank you for registering

Please refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in