Table 1.

Demographic and disease parameter estimates for NYC.

parameter	meaning	estimate	source
fixed parameters
γ−1	mean generation time	13 days	[1,27]
μ	natural death rate	0.02 yr–1	[5]
N0	population in 1960	7 782 000	[28]
ν0	births in 1960 /N0	0.0214	[28]
	basic reproduction number in 1960	17	[1,4,5]
parameter	meaning	range	source
time-varying parameters
B	births per year	98 507–171 174	[28]
Dinfant	infant deaths per year	1540–16 609	[28]
p	proportion vaccinated	0–0.66	[33]
ν	susceptible recruitment per year	0.00473–0.0214	equation (3.4); §3.2.1
	effective	3.86–17.5	equation (3.5); §3.2.1
α	amplitude of seasonal forcing	0.11–0.21	equation (3.3); §3.2.2