Related by context. Frequent words. (Click for all words.) 60 HIV infection 57 HIV infected 55 HIV infections 55 HIV prevalence 53 HIV 52 gonorrhea 50 sexually transmitted infections 49 drug addicts 49 HIV prevention 48 heroin addicts 48 sexually transmitted diseases 48 unprotected sex 47 hepatitis C 47 syphilis 46 methadone 46 chlamydia 46 hepatitis C. 46 drug overdoses 45 sexually transmitted infection 45 heroin 45 STDs 45 HIV AIDS 45 AIDS epidemic 45 condom 44 illicit drugs 44 Hepatitis C 44 STIs 44 sexually active 44 heterosexuals 44 sexually transmitted disease 43 hepatitis B 43 prostitutes 43 Truvada 43 bisexual 43 hepatitis C virus 43 genital herpes 43 drug 43 opiate 43 substance abusers 42 antiretroviral treatment 42 opiates 42 Heroin 42 AIDS 42 crystal meth 42 human immunodeficiency virus 42 heterosexual 42 UNAIDS 42 inhalants 42 tenofovir 41 condoms 41 chronic hepatitis C 41 Viread 41 antiretrovirals 41 intravenous 41 syringes 41 HIV AIDS prevention 41 antiretroviral therapy 41 drugs 41 contraceptive 40 antiretroviral drugs 40 antiretroviral 40 Methadone 40 contraception 40 prescription painkillers 39 MDR TB 39 statin 39 HIV AIDS epidemic 39 anal sex 39 infected 39 blood transfusion 39 opioid 38 unwanted pregnancies 38 contraceptives 38 herpes 38 unintended pregnancy 38 HCV 37 heroin addict 37 Drug Control 37 diclofenac 37 needles 37 intercourse 37 infection 37 needle 37 tuberculosis 37 HAART 37 blood transfusions 36 ketamine 36 ARVs 36 tuberculosis TB 36 uninfected 36 illicit 36 infections 36 anti retroviral drugs 36 prophylactic 36 hypodermic needles 36 Hepatitis B 36 fentanyl 36 overdoses 36 Ecstasy 36 HIV Aids 36 opioids