Could snorkel masks stop patients from spreading COVID-19?

Monash University has redesigned the masks and is testing them to see if they cut viral spread

Patients are to be fitted with adapted snorkel masks to see if they offer doctors and healthcare workers protection from COVID-19 infection, say Melbourne researchers. 

A snorkel mask. Photo: Monash Health

The snorkel masks will be redesigned to allow oxygen to be delivered to the patient, while simultaneously filtering air