From scarves to HEPA filters, what kind of face covering is best?

Rike_/iStock(NEW YORK) -- What makes a better face covering to guard against COVID-19 transmission, a T-shirt or a scarf? Is it safe to use a vacuum cleaner bag? What about a coffee filter? With U.S. government and health...

April 9, 2020Updated: April 9, 2020

By News Channel Nebraska