Do Face Masks become Worthless after Only One Use in the COVID-19 Pandemic?

Published in: Infection & chemotherapy (2020)

The pore structure of the surgical mask was not changed significantly after 40 hours of use. Surgical mask pore structure did not change significantly after treatment with ethyl alcohol, UV light, steam, or a washing machine.

Keyphrases

positive airway pressure
ionic liquid
obstructive sleep apnea
machine learning
neural network