TABLE 3.

Comparing secondary attack rate of PCR confirmed influenza from the transmission model with 3‐, 5‐, and 7‐day r‐day secondary attack rate

			r‐day secondary attack rate
Influenza virus	Season	Transmission model secondary attack rate ${}^{\mathrm{a}}$ % (95% CIb)	3‐day % (95% CIc)	5‐day % (95% CIc)	7‐day % (95% CIc)
A (H1)	2013‐2014	2.3 (0.3, 7.7)	2.5 (0.7, 8.8)	2.5 (0.7, 8.8)	2.5 (0.7, 8.8)
A (H3)	2013‐2014	0.2 (0.0, 6.8)	0.0 (0.0, 12.9)	0.0 (0.0, 12.9)	0.0 (0.0, 12.9)
A (H3)	2014‐2015	7.6 (3.7 13.3	7.4 (3.8, 13.9)	9.2 (5.1, 16.2)	9.2 (5.1, 16.2)
B	2013‐2014	5.3 (1.5, 12.7)	3.4 (1.0, 11.7)	5.2 (1.8, 14.1)	6.9 (2.7, 16.4)
B	2014‐2015	0.3 (0.0, 14.3)	0.0 (0.0, 24.2)	0.0 (0.0, 24.2)	0.0 (0.0, 24.2)

${}^{\mathrm{a}}$Computed for the average household size.

${}^{\mathrm{b}}$Credible interval

${}^{\mathrm{c}}$Confidence interval