TABLE 5.

QMRA parameters for risk mitigation intervention efficacies^a

Parameter	Units	Description	Input valuesb	Distribution	References
HW eff	Log reduction	Hand washing efficacy	0.552 (0.0, 2.0)	Triangular	135
SC eff	Log reduction	Surface disinfection efficacy	0.95 (0.90, 0.999)	Uniform	121, 135
C mask(R)	% Reduction	Recipient cloth mask efficacy	52.9 (17.0, 88.7)	Uniform	58, 59, 136
S mask(R)	% Reduction	Recipient surgical mask efficacy	68.0 (37.0, 99.8)	Uniform	58, 59, 136
D mask(R)	% Reduction	Recipient double mask efficacy	68.5 (40.0, 96.8)	Uniform	58, 59, 136
V Opt	% Reduction	Optimal SARS-CoV-2 vaccine efficacy	92.3 (86.0, 99.0)	Uniform	32, 137
V Sub	% Reduction	Suboptimal SARS-CoV-2 vaccine efficacy	72.0 (64.0, 80.0)	Uniform	33, 138, 139

^aQMRA, quantitative microbial risk assessment.

^bThe values are presented as mean (minimum, maximum) for uniform and triangular distributions.