Table 2.

Bias-corrected maximum likelihood estimation (MLE) and minimum infection rate (MIR) of Japanese encephalitis virus in Shanghai, China from May to November 2016

Host	No. of individuals	No. of PP	No. of pools	Positive pool rate (%)	MLE (95% CI)	MIR (95% CI)
Culex tritaeniorhynchus	3945	4	255	1.57	1.01 (0.33–2.42)	1.01 (0.02–2.01)
Cx. pipiens (s.l.)	1540	1	256	0.39	1.01 (0.00–1.92)	0.65 (0.04–3.14)
Overall	5485	5	511	0.98	0.91 (0.34–2.01)	0.91 (0.11–1.71)

Abbreviations: PP positive pool, CI confidence interval