Vaccines Required by Clayton State University. 2 MMR (Measles, Mumps, Rubella) or Proof of Immunity (not required if born before 1957) Dated proof of Chicken Pox disease or 2 Varicella (not required if born in the U.S. before 1980) Tetanus-Diphtheria-Pertussis (Tdap) within the last 10 (ten) years or tetanus (Td) booster if greater than ten ....