ABO and Rh type important, but fo transfusion to safe, i no bi only to match one letter and one plus or minus sign. Hospital dem de do blood typing, antibody screening, crossmatching, test fo infectious disease, and oda checks according to clinical requirements.
Use DashBlood compatibility reference as one starting point fo learn only. No ever let social-media post, old card, or family statement take di place of laboratory result we current and di decision of di hospital we go receive di patient.
Pesin we look like se i match fit still no donate (dem fit tell am mek i wait), and one unit of blood we look like se i match fit still no fit fo one particular patient. Di hospital get di final se.