The best replacement for immunization is vaccination.

The best alternatives to immunization are rated as following:
★★★★★  vaccination
★★  vaccine
★★  non immunization
★  passive immunization
★  no immunization
★  immunisation
  active immunization
  immunity
  non immunisation
  titer

Your alternative for immunization is not listed? Suggest!
Speaking about immunization, one probably shouldn't forget about antibodies.

Other search terms related to immunization and their ratings are:
★★★★★ antibodies
★ autism
★ spybot
You have in mind a companion for immunization and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of immunization in all years. Click on graph for more.
immunization
vaccination
vaccine