Ключевые слова: 3d, abnormal, aids, analyzing, antibody, antigen, antihiv, biology, blood, cdc, checkup, chemical, chemistry, diagnosis, disease, epidemic, exam, experiment, fever, hematology, hiv, hospital, illness, illustration, immunology, infection, lab, laboratory, medical, medicine, microbiology, patient, positive, reactive, research, result, science, serology, sexually, sick, sickness, std, sti, technology, test, transfusion, transmitted, treatment, tube, virus,