Related by context. Frequent words. (Click for all words.) 70 measles 60 Polio 59 Tuberculosis 57 meningitis 56 Cervical cancer 56 Pneumonia 55 whooping cough 55 meningococcal disease 55 Rabies 55 pertussis 54 Meningitis 54 Flu 53 rubella 53 Chlamydia 52 polio 52 Dengue 52 chickenpox 52 Malnutrition 51 diphtheria 51 bacterial meningitis 51 malaria 51 Vaccination 50 Swine Flu 50 Swine flu 50 Malaria 50 Cholera 50 mosquito borne disease 50 diarrhea 49 sexually transmitted disease 49 mumps 49 tuberculosis 48 rotavirus 48 tuberculosis TB 48 chlamydia 48 genital herpes 48 severe diarrhea 48 H#N# 47 Influenza 47 Bird flu 47 cholera 47 Ebola 47 Hepatitis 47 chicken pox 47 Norovirus 46 Immunization 46 Infections 46 Hepatitis B 46 gonorrhea 46 seasonal influenza 45 cervical cancer 45 drug resistant TB 45 HIV 45 swine flu 45 influenza 45 tetanus 44 seasonal flu 44 superbug 44 Infection 44 Avian flu 44 Ebola virus 44 waterborne diseases 44 contagious disease 44 typhoid fever 44 HIV infection 44 preventable diseases 44 Bird Flu 43 STIs 43 flu 43 MRSA 43 highly contagious 43 H#N# flu 43 pandemic 43 HIV AIDS 43 immunization 43 smallpox 43 West Nile 43 communicable disease 43 Lung cancer 43 West Nile Virus 42 H#N# swine flu 42 dengue fever 42 Colorectal cancer 42 mosquito bites 42 Sexual assault 42 staph 42 monkeypox 42 Melanoma 42 XDR TB 42 infectious disease 42 immunized 42 Outbreaks 42 rabies 42 Vaccine 41 TB 41 vaccination 41 sexually transmitted diseases 41 encephalitis 41 syphilis 41 STDs 41 pandemic influenza 41 Vaccinations