CDC Wants You to Wear Two Masks

The video discusses the effectiveness of well-fitting masks in reducing aerosol exposure, reinforcing CDC guidance on mask-wearing. It highlights new scientific data supporting the importance of mask fit and provides options for improving mask performance, such as using mask fitters and double masking. The conclusion emphasizes that masks work best when they fit well and are worn correctly.

How much did the exposure to aerosols reduce when both the source and receiver wore masks?

What recommendations does the CDC provide regarding mask layers?

What is the significance of wearing a well-fitting mask according to the new scientific data?

What are some methods suggested to improve mask fit?

What is the bottom line regarding the effectiveness of masks?