“However, wearing two can provide additional protection. A second mask can create a tighter seal around your face, and also help secure the masks so they don’t slip down,” she added.

Another physician, Dr. Dave Hnida, previously told CBS that two masks can create more of an “obstacle course” for viral particles in an attempted route from the air, through the body and into the lungs.


Note: On 8 March 2020 Dr. Fauci stated there was no reason for a mask in face of COVID-19

In April of 2020, Dr. began supporting the use of a mask to combat the spread of COVID-19