Modelling Risk to US Military Populations from Stopping Blanket Mandatory Polio Vaccination

Table 3

Parameter definitions for scenario calculations.

Parameter	Definition	Value (range)	Source
efficacy	IPV vaccine efficacy (MIL)	99% (50–100%)	[28]
childhood	Residual protection level from childhood IPV vaccination	0.92 (0.0–1.0)	Calculated from [25, 35]
exemption	Overall military vaccination exemption rate (medical + administrative)	0.003 (0.003–0.08)	Calculated from [37]
dfact	Proportional reduction in exemption rate for deployed personnel (versus nondeployed)	0.75 (0.0–1.0)	(Estimated)
blanket	IPV blanket vaccine coverage (when implemented) for all military personnel upon accession	(Function)
boost	IPV boost vaccine coverage (when implemented) for deploying personnel	(Function)
accession	Military accession rate	0.19 (0.13–0.19)	[39]
	Proportion of military population covered by blanket vaccination prior to 2015	(Function)
	Overall protection of military population from blanket vaccination prior to 2015 and residual childhood immunity	(Function)