Table 1.

Epidemiological parameters.

Parameter	Value	Source
Serial Interval for influenza	Weibull distribution with mean 3.2 days	(21)
SAP Control Group	10%	Assumed
SAP Intervention Group	5%, 7.5%	Assumed
Total Number of People per Household	4	Assumed
Specificity of RT-PCR	100%	Assumed
Sensitivity of ARI compared to virologically-confirmed infection	68%	(10)
Specificity of ARI compared to virologically-confirmed infection	86%	(10)
Sensitivity of ILI compared to virologically-confirmed infection	40%	(10)
Specificity of ILI compared to virologically-confirmed infection	98%	(10)
Cost of recruiting an index case	US$360	(personal communication, BJ Cowling)
Cost of a home visit	US$120	(personal communication, BJ Cowling)