PPE and other equipment

What you need to know about Air Purifiers and the Coronavirus. CR Consumer Reports
Can a mask protect me? Putting homemade masks in the heirachy of controls

Community universal face mask use during the COVID 19 pandemic - from households to travelers to public spaces.

Journal of Travel Medicine, Vol 27, Issue 3, April 2020

What are the main types of face masks and who should use them?

SafeWork Australia infographic