Our findings indicate that both respirators and medical masks provide a high as-worn bioaerosol protection efficacy against virus containing aerosols, and therefore, a very high protection against airborne diseases
except we know this is false. You can observe with you naked eye how well these non sealing masks contain anything at all.
except we know this is false. You can observe with you naked eye how well these non sealing masks contain anything at all.
Head on down to the nearest hospital with an infection control officer and explain this to them. I'm sure they'll be grateful to hear from you.