Blood type (or blood group) is determined, in part, by the ABO blood group antigens present on red blood cells.A blood type (also called a blood group) is a classification of blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells (RBCs).lood type (or blood group) is determined, in part, by the ABO blood group antigens present on red blood cells.
State Considering Making Vaccine For Meningitis Mandatory. North Carolina's public health rulemaking body is closing in on requiring seventh-graders to be vaccinated against potentially deadly meningitis and related diseases starting next summer.
A student is not required to submit evidence of receiving the vaccination against bacterial meningitis or evidence of receiving a booster dose if: 1  The student is 22 years of age or older by the first day of the start of the semester; or.  The student is enrolled only in online or other distance education courses; or.