Reply To: SARS cov2 and Covid 19


Home Forums Discussion Forum SARS cov2 and Covid 19 Reply To: SARS cov2 and Covid 19

#64220
ET

FEND not only reduces 99% of the particles passing through the nasal cavity but it also filters 75% of the particles being exhaled. Researchers also believe that FEND might increase the effectiveness of wearing surgical masks, especially in indoor situations.

From the link to FEND from earlier post.