Healthcare workers often face risks associated with exposure from harmful infectious agents, (such as bioaerosols) while performing their daily duties which can severely impact their health and safety. CSA Group conducted a research project to review more than 200 research papers and scientific articles so the new edition of CSA Z94.4 – Selection, Care and Use of Respirators, currently in development, can provide better guidance for protection from bioeaerosols. This executive summary discusses our methodology and the project’s positive outcomes.

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