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.
The CDC recommends a meningococcal vaccine for: 1  All children ages 11-18 or certain younger high-risk children. 2  Anyone who has been exposed to meningitis during an outbreak. 3  Anyone traveling to or living where meningitis is common, such as in sub-Saharan Africa.  Military recruits.