Blood transmitted illnesses.
D006509:Hepatitis B / Q000635:transmission; D006526:Hepatitis C / Q000635:transmission; D006801:Humans; D007239:Infections / Q000097:blood / Q000635:transmission*; D008288:Malaria / Q000635:transmission; D013587:Syphilis / Q000635:transmission; D065227:Transfusion Reaction