Table 2.

Staff exposure risk assessment guide.

Personal protective equipment		Exposure risk	For 14 days following exposure to suspected/confirmed case
Exposed staff	Suspected/confirmed COVID-19 patient		Twice-daily temperature and symptom monitoring	Home isolation
None	None	Face-to-face conversation >5 min	Yes	Yes
None	Surgical mask, properly worn	Face-to-face conversation >5 min	Yes	No
Surgical mask, properly worn	None	Face-to-face conversation >5 min	Yes	No - risk assessment to be individualised (e.g. consider home isolation if high risk for eye mucous membrane exposure, e.g., patient coughs into staff member’s face)
Surgical mask, properly worn	Surgical mask, properly worn	Face-to-face conversation >5 min	Yes	No
Not wearing, at minimum, a mask-fitted N95 mask + eye protection	NA	Aerosol-generating procedures (e.g. using rotatory instruments in dental operatory)	Yes	Yes
At minimum, a mask-fitted N95 + eye protection	NA	Aerosol-generating procedures (e.g. using rotatory instruments in dental operatory)	Yes	No

Home isolation refers to self-quarantine issued by the hospital. NA: not applicable