Related by context. Frequent words. (Click for all words.) 76 Hepatitis C 70 hepatitis C. 68 hepatitis C 58 HIV 54 hepatitis 53 Hepatitis B 52 Hepatitis 51 hepatitis C virus 51 HIV AIDS 51 tuberculosis 49 TB 49 AIDS 49 hepatitis B 49 HCV 48 HIV infection 47 herpes 47 HIV infected 46 liver disease 45 drug addiction 45 disease 45 gonorrhea 45 STIs 45 leprosy 44 infection 44 MRSA 44 human immunodeficiency virus 44 multiple myeloma 44 staph 44 lupus 43 Swine Flu 43 intravenous drug 43 leukemia 43 HIV Aids 43 AIDS epidemic 43 sexually transmitted disease 43 staph infection 43 superbug 43 STDs 43 cervical cancer 43 kidney disease 42 Tuberculosis 42 blood transfusion 42 Aids 42 multiple sclerosis 42 syphilis 42 cancer 42 heroin addiction 42 sickle cell anemia 42 HPV 42 XDR TB 42 chronic illness 41 mental illness 41 cystic fibrosis 41 sexually transmitted diseases 41 bone marrow transplant 41 sickle cell disease 41 alcoholism 41 virus 41 liver cancer 41 blood transfusions 40 WNV 40 drug resistant TB 40 C. difficile 40 Lyme disease 40 Ebola 40 lung cancer 40 meningitis 40 communicable diseases 40 pneumonia 40 sexually transmitted infections 40 chickenpox 40 mononucleosis 40 colon cancer 40 communicable disease 39 H#N# 39 prostate cancer 39 lymphoma 39 illness 39 ALS 39 dengue fever 39 chlamydia 39 smallpox 39 substance abuse 39 mesothelioma 39 polio 39 severe diarrhea 39 malaria 39 HIV infections 39 Leukemia 39 infectious disease 39 pertussis 39 infectious diseases 38 cirrhosis 38 thyroid cancer 38 bacterial infection 38 chicken pox 38 testicular cancer 38 antiretroviral drugs 38 Lupus 38 ovarian cancer 38 hemophilia