Table 2.

General inputs.

Input variable	Assumed PDF	Source
Biological decay, $\lambda$ ( s−1)	LN($1.75\times 10^{-4}$,0.43)	[25]
Inhaled deposition fraction, $k$	U(0.43,0.65)	[48]
RNA concentration in exhaled droplets, $C_{RNA}$ (RNA copies m−3)	N($3.75\times 10^{17}$,$3.75\times 10^{18}$)	[8], [21], [22], [26], [49]
Surface deposition rate, $\gamma$ (s−1)	U($1.17\times 10^{-4}$,$1.69\times 10^{-4}$)	[47]
Concentration of aerosols in exhaled air, $C_{drop}$ (m−3)	$9.8\times 10^4$	[18]

N, normal; LN, log-normal; U, uniform.