Related by context. Frequent words. (Click for all words.) 54 heterosexual intercourse 53 unprotected anal sex 51 sexually transmitted infection 50 HIV Aids epidemic 50 sexually transmitted 50 Meningococcal disease 50 Pneumococcal disease 50 HIV infections 49 intravenous drug 49 noncommunicable diseases 48 acquired immunodeficiency syndrome 48 unprotected sex 48 Male circumcision 48 HIV infection 48 Teenage pregnancy 47 IDUs 46 sex 46 sexually transmitted disease 46 HIV prevalence 46 sexually transmitted infections STIs 46 sexually promiscuous 46 Testicular cancer 46 Hepatitis C virus 45 Antibiotic resistance 45 HIV diagnoses 45 epidemic 45 Passive smoking 45 Sexually transmitted diseases 45 Coronary heart 45 condom usage 45 Aids epidemic 44 sexually transmitted infections 44 Acquired Immune Deficiency Syndrome 44 STIs 44 Coronary artery disease 44 Premature birth 44 Hepatitis B virus 44 HPV# 44 HIV 43 HIV AIDS prevalence 43 Female genital mutilation 43 Rotavirus 43 promiscuous 43 Chronic diseases 43 Seasonal influenza 43 Cigarette smoking 43 feminisation 43 prevalence 43 Human Papilloma Virus HPV 43 Bubonic plague 43 HCV infection 43 sexually transmitted diseases 43 dengue hemorrhagic fever 43 HIV AIDS epidemic 43 Heterosexual 43 bisexual 43 Obstructive sleep apnea 42 pelvic inflammatory disease 42 Aids pandemic 42 HBV infection 42 Binge drinking 42 hepatitis B virus HBV 42 Dengue fever 42 human immunodeficiency virus 42 Clostridium difficile infection 42 post exposure prophylaxis 42 antiretroviral therapy ART 42 unprotected intercourse 42 genital herpes 42 infected 42 Gender equality 41 extramarital sex 41 HIV AIDS 41 Preterm birth 41 LGV 41 Syphilis 41 Cervical cancer 41 genital tract 41 contracting sexually transmitted 41 Sexually Transmitted Infections 41 CMV infection 41 HIV infected 41 anal intercourse 41 hepatitis C HCV 41 promiscuity 41 HPV infection 41 unwanted pregnancy 41 Tuberculosis TB 41 human papillomavirus HPV 41 hepatitis C virus 41 predisposing factors 41 Kaposi sarcoma 40 Incidences 40 Chlamydia 40 reinfection 40 chronic HCV infection 40 immunodeficiency 40 sexually transmitted virus 40 Birth defects 40 STDs 40 HPV