1. International nurses day 2021 fact sheet. COVID-19 infections and deaths among nurses and other healthcare workers – updated.; Available from: https://www.icn.ch/sites/default/files/inline-files/IND2021-Factsheet01-UPDATED-EN.pdf.
2. Victorian occupational health and safety act 2004. [Cited 14 September 2021]. Available from: https://www.legislation.vic.gov.au/in-force/acts/occupational-health-and-safety-act-2004/036.
3. Victorian occupational health and safety regulations 2017. [Cited 14 September 2021]. Available from: https://www.legislation.vic.gov.au/in-force/statutory-rules/occupational-health-and-safety-regulations-2017/011.
4. Australian/New Zealand Standard on selection, use and maintenance of respiratory protective equipment AS/NZS 1715:2009.
5. International Standard Respiratory protective devices – selection, use and maintenance ISO 16975-3:2017(E).