Related by context. Frequent words. (Click for all words.) 49 measles outbreaks 48 invasive pneumococcal disease 46 infections 45 HPV infection 45 HIV infections 45 A/H#N# flu cases 44 osteoporotic fractures 44 premature births 44 Tamiflu resistant 44 preterm births 44 HIV infection 43 hospitalizations 43 NTDs 43 HCV infection 43 heroin overdoses 43 maternal deaths 43 prevalence 43 sexually transmitted infections 43 parasitic infections 43 hepatitis C infection 43 HPV infections 42 unprotected sex 42 HBV infection 42 preterm birth 42 HPV# 42 whooping cough 42 dental decay 41 tank rocket launchers 41 fatalities 41 sexually transmitted infection 41 teen pregnancy 41 HIV prevalence 41 maternal mortality 41 HIV AIDS prevalence 41 teen pregnancies 41 maternal mortality ratio 41 H. pylori infection 41 sexually transmitted infections STIs 41 ectopic pregnancies 41 drug resistant TB 41 pregnancies 41 MDR TB 41 incidence 41 pneumococcal disease 41 sexually transmitted diseases 41 measles 40 STIs 40 homicides 40 meningococcal disease 40 bacterial vaginosis 40 teenage pregnancies 40 congenital anomalies 40 fatal overdoses 40 drug resistant tuberculosis 40 chronic HCV infection 40 bedbug infestations 40 sexually transmitted 40 cancers 40 vaccine preventable diseases 40 antibiotic resistance 40 HPV strains 40 pertussis 40 undernutrition 40 HAIs 40 mosquito borne illness 40 outbreaks 40 A/H#N# influenza 40 stillbirths 40 neonatal mortality 40 vitamin D deficiency 40 STDs 40 diarrheal diseases 39 births 39 incidences 39 MRSA infections 39 diarrheal disease 39 Whooping Cough 39 Finkelhor 39 genital herpes 39 epidemiological studies 39 Clostridium difficile infection 39 fatal crashes 39 unwanted pregnancies 39 infection 39 death syndrome SIDS 39 suicides 39 gonorrhea 39 heart disease 39 prescribed antidepressants 39 epidemics 39 A/H#N# virus 39 teenage pregnancy 39 HIV diagnoses 39 epidemic 39 Piot 39 staph infections 39 Maternal mortality 38 congenital malformations 38 nonfatal shootings 38 cholera outbreaks 38 congenital abnormalities