Table 2.

Checklist for prevention of ORAEs, to be completed before entering the contaminated areas

	Confirm	Failed
Rested for more than 1 hour after taking shuttle bus	□	□
Sleeping time more than 8 hours today	□	□
No abdominal fullness and nausea	□	□
Anti-fog goggles/anti-fog measures	□	□
No headache	□	□
Working duration < 4 hours in a contaminated area	□	□
Expect guided wearing of PPE on the spot	□	□