Table 1.

The stability of SARS-CoV and MERS-CoV in aerosols.

Virus strain	Temperature (°C)	Relative humidity	Inoculum	Stability (h)	T1/2 (h)	References
SARS-CoV-2	21–23	65%	103.5 TCID50/L air	15.8% survival at the end 3 h	1.1	[15]
SARS-CoV-1			104.3 TCID50/L air		1.2
SARS-CoV-2	23	53%	NR	16	NR	[16]
SARS-CoV-2 England-2 variant	19–22	40%–60%	(1.11–1.63) × 106 TCID50/mL aerosol of tissue culture mediums	1.5	1.25	[17]
	19–22	68%–88%			0.5
	19–22	40%–60%	(0.77–2.28) × 106 TCID50/mL aerosol of artificial saliva		0.7
	19–22	68%–88%			2.95
MERS-CoV	25	79%	105.5 TCID50/mL eluate	63% at the end 1 h	NR	[10,18]
	38	24%		4.7% at the end 1 h
MERS-CoV	20	40%	106 TCID50/mL suspension	93% viability at the end 10 min	NR	[58]
	20	70%		11% at the end 10 min

NR, not reported; TCID₅₀, 50% tissue-culture infectious dose.