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.
Adoscelnts are most at risk for contracting meningitis. The CDC recommends all teens 11 through 18 receive the meningitis A, C, W and Y vaccine and between 16 and 23 receive the meningitis B vaccine. Many high schools and colleges now require proof of meningitis vaccination before starting the school year.