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.
Two existing vaccines, Menactra and Menveo, prevent the other four types of bacterial meningitis and are currently recommended by the Centers for Disease Control and Prevention for all preteens and adolescents. Many schools and colleges require students to receive a meningitis vaccine before enrolling.