Table 2.

Infection Capability of SARS-CoV-1 and SARS-CoV-2 for Different Materials.

Materials	SARS-CoV-1		SARS-CoV-2
	Infection capability	Duration	Infection capability	Duration
Aerosol	104.3 to 103.5 TCID50	3 h	103.5 to 102.7 TCID50	3 h
Plastic	103.4 to 100.7 TCID50	72 h	103.7 to 100.6 TCID50	72 h
Stainless steel	103.6 to 100.6 TCID50	48 h	103.7 to 100.6 TCID50	48 h
Copper	no viability	8 h	no viability	4 h
Cardboard	no viability	8 h	no viability	24 h

TCID, Tissue Culture Infective Dose.