This page includes a short-list of terms and acronyms related to the Immunizations & TB Clearance requirements.


  • Titer: A blood test which tests for immunity to a specific disease (available for MMR and Varicella; not available for Tdap or Meningococcal Conjugate). A result of "positive" means "positive for immunity," whereas a "negative" result means "negative for immunity."

Terms that are interchangeable/mean the same thing

  • Immunization and vaccine