CPP Program Information: Request Member Pricing Summary of Program Benefits CPP Program Purchasing Guide (Protected)REGISTERLOGIN See which vaccines are part of the CPP portfolio. CPP Vaccine Partners: Merck Vaccines Pfizer Vaccines Sanofi Vaccines Dynavax AstraZeneca Vendor Price Change Tools Resources to help manage through vaccine price changes. Credit Card Resource Guide Outlines credit card options to consider using for rewards on your vaccine purchases.