Students born on or after January 1, 1957, must submit evidence of immunization against mumps, measles, and rubella in compliance with Connecticut State Law Public Act 89-90 unless proof of a medical or religious contraindication is submitted. All students born on or after January 1, 1980, must also provide proof of adequate immunization against varicella (chicken pox). Students born in the United States before January 1, 1980, do not have to show proof of varicella vaccination. Adequate immunization for mumps, measles, rubella, and varicella consists of two doses of vaccine separated by at least 28 days with dose number one given on or after the first birthday. Any student who is not compliant will have a hold placed on future registration of classes until they submit the documentation.