Table 1.

SARS-COV-2 RNA results of samples from the environmental, sewage, and staff PPE sites of the hospital isolation areas.

Classification		Samples	Positive samples	Cycle threshold value
Environmental sites
Contaminated area	Isolation ICU ward	Nightstands of patient A and B	0/2
		Monitor screens of patient A and B	0/2
		Bed rails of patient A and B	0/4
		Intercoms	0/2
		Sinks	0/2
		Personal digital assistants (PDA)	0/2
		Door handles	0/2
	General Isolation wards	Door handles (inside and outside)	0/4
Semi-contaminated area	Isolation ICU ward	Door handles (inside and outside)	0/4
		Keyboards	0/2
	General Isolation wards	Door handles (inside and outside)	0/4
		Keyboards	0/2
Clean area	Isolation ICU ward	Door handles (inside and outside)	0/2
	Isolation wards	Door handles (inside and outside)	0/2
Sewage pools	Inlets of preprocessing disinfection pool	Sewage	3/3	29.37,30.58,32.42
	Outlet of preprocessing disinfection pool	Sewage	1/1	33.55
	Final outlet of sewage disinfection pool	Sewage	0/1
Staff PPE sites
	Isolation wards	Front surface of N95 masks	0/5
		Gloves	0/4

Note: COVID-19 confirmed patient A with mechanical ventilation; COVID-19 confirmed patient B without mechanical ventilation.