Table 2.

Parameter estimates and confidence intervals

Description	Value	Confidence interval
$1/\mu$ Average lifespan, y	50	Fixed
$1/\gamma$ Duration of infection, d	10	7–15
$1/\omega$ Duration of maternal immunity, d	1	0–110
ρ Reporting rate $\left({10}^{-3}\right)$	2.3	1.8–3.6
${\alpha }_c$ Coupling core	0.96	0.90–0.98
${\alpha }_p$ Coupling periphery	0.87	0.31–1.00
σ Susceptibility reduction	0.19	0.12–0.24
η Additional duration of infection	0.06	0.04–0.09