Hello and welcome! Go ahead and create an account to get a sense of what VaxCalc offers. When you're ready, choose the plan that best fits your needs:

Freedom Plan

$8 a month

billed annually at $96

Professional Plan

$50 a month

billed monthly

Day Pass


good for 24 hours

Chris has incredible knowledge in many areas. The facts about ingredients in flu shots and other vaccines is astonishing. Your work is greatly appreciated.

- Nancy B., Virginia

Freedom Plan costs $8 a month, billed annually at $96 for the year, provides 24/7 unlimited access to VaxCalc research, calculations, vaccination planning and all other resources including regular improvements - for an entire year.

Professional Plan provides everything the Freedom Plan provides, PLUS a license to use VaxCalc for all of your patients. It costs $50/month and is billed monthly. This plan is meant for healthcare professionals.

Day Pass is for anybody who isn't sure when they will use VaxCalc again but needs full access right now for just a day. It costs $12 and is good for 24 hours.

Enjoy the rest of your !