Table 1. Leading Indicators for IIS Investment Success Measurement.

Policy/Environment/Politics: IIS Investment Readiness Score
Wght	Success Category	Criteria	Importance Scale	Notes	Readiness Score	Max points = Readiness Score x Weight
5	Lifespan	IIS maintain immunization histories birth to death?	0 or 5		5	25
5	Exemptions	Exemptions allowed? 3+ = 1, 2 = 3, 1 = 5	1, 3 or 5		1	25
3	Rx Friendliness	Age limits, vaccine restrictions, Public Health perception.	1-5		3	15
4	Provider Perception of IIS	Mandatory versus Voluntary, Willingness to participate, IIS reputation.	1-5		5	20
3	Public/Private Coalition	Is there one? How often does it meet? Well represented across ecosystem?	1-5		3	15
4	Opt-Out or Opt-In	Is the IIS Opt-Out or Opt-In?	1 or 5		5	20
3	Consumer Friendliness	Does IIS community allow for or support allowing consumer access?	1-5		5	15
Total Readiness Score Possible (weight x score) = f (∑for Each Category)						135