Concepts of Industrial Hygiene: Why Masks Do Not and Can Not Work - Canada Health Alliance

November 18, 2022

Concepts of Industrial Hygiene: Why Masks Do Not and Can Not Work

Stephen E. Petty

[The] media often rely on M.D.s and not industrial hygienists for information on controlling exposures.

Masking does not work at 3 levels:

100,000 feet
epidemiology – ground level
micro-scale

Read the full article

aerosols covid-19 droplets

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