Ключевые слова: aids, analyzing, antihiv, biology, blood, chemical, chemistry, disease, epidemic, fever, hbv, hcv, hematology, hepatitis b, hepatitis c, hiv, hospital, illness, immunology, infection, lab, laboratory, medical, medical exam, medical test, medicine, micro organism, microbiology, patient, research, science, scientific experiment, serology, sex, sexually transmitted diseases, sick, sickness, syphilis, test, treponema pallidum, virus,