Related by context. Frequent words. (Click for all words.) 57 haemophilia 49 contracted hepatitis C 47 vCJD 46 hepatitis C 46 Hepatitis C. 45 Heparin 44 patients 44 Hepatitis C 44 Velcade 44 hemophilia 44 transfusions 43 blood transfusions 43 variant CJD 43 heparin 42 HIV infected 42 clotting factor 42 intravenous drug 42 hepatitis C. 42 Fuzeon 41 Hep C 41 Thalomid 41 Soliris 40 hepatitis B 40 ischemic strokes 40 hepatitis C infection 39 factor VIII 39 azithromycin 39 Sustiva 39 blood transfusion 39 chronic hepatitis C 39 aprotinin 38 post exposure prophylaxis 38 antiretroviral drugs 38 Prograf 38 Trasylol 38 IVIG 38 Torisel 38 antiretrovirals 38 Avastin 38 warfarin 38 superbug 38 donor sperm 38 Combivir 37 clotting 37 Cubicin 37 bone marrow transplants 37 Clostridium difficile infection 37 anti retrovirals 37 raltegravir 37 hepatitis C virus 37 heroin addicts 37 hydroxyurea 37 hepatitis B. 37 Sutent 37 liver transplants 37 blood borne diseases 37 Revlimid 36 infections 36 drugs 36 Interferon 36 lamivudine 36 anti TNF 36 Herceptin 36 transfusion 36 Ribavirin 36 ARV treatment 36 immune globulin 36 artesunate 36 anti retroviral drugs 36 Hepatitis C virus 36 latent TB 36 Macugen 36 tissue transplants 36 natalizumab 36 IVF treatment 36 protease inhibitors 36 Tysabri 35 Erbitux 35 leprosy 35 HIV infection 35 IDUs 35 organ transplants 35 iron overload 35 G CSF 35 abacavir 35 HIV 35 anti retroviral treatment 35 Hepatitis B 35 methadone 35 Dacogen 35 antibiotic 35 anti retroviral therapy 35 gynecological cancers 35 HCV infection 35 lumbar puncture 35 prophylactic treatment 35 blood platelets 34 syphilis 34 Viread 34 drug 34 Actimmune