Related by context. Frequent words. (Click for all words.) 73 typhoid fever 59 dysentery 59 gastroenteritis 58 diarrhea 58 cholera 58 dengue fever 58 water borne diseases 57 leptospirosis 55 Dengue fever 55 pneumonia 54 tuberculosis 54 measles 54 dengue 52 diphtheria 52 infection 51 chikungunya 51 waterborne diseases 51 H#N# virus 51 encephalitis 50 meningitis 50 H#N# 50 chickenpox 49 lung infection 49 malaria 49 severe diarrhea 49 respiratory illness 49 bubonic plague 49 tetanus 49 Hepatitis 49 septicemia 49 hepatitis 48 swine flu 48 Dengue 48 bacterial infection 47 chicken pox 47 influenza 47 dengue cases 47 mosquito borne disease 47 bird flu 47 contagious disease 47 polio 46 Swine Flu 46 communicable disease 46 bird flu virus 46 yellow fever 46 bronchitis 46 Hepatitis B 46 cholera outbreak 46 mumps 46 respiratory infection 46 avian flu 45 communicable diseases 45 Cholera 45 flu 45 E.coli 45 viral meningitis 45 gastro 45 sicknesses 45 illness 45 viral infection 45 respiratory infections 45 pertussis 45 bacterial meningitis 44 A/H#N# flu 44 kidney failure 44 infections 44 West Nile 44 norovirus 44 malnutrition 44 E coli 44 superbug 44 Ebola 44 avian influenza 44 whooping cough 44 colds 44 syphilis 43 fevers 43 stomach bug 43 H#N# influenza 43 strep 43 disease 43 malnourishment 43 H#N# flu 43 H#N# strain 43 jaundice 43 Polio 43 sickness 42 botulism 42 leprosy 42 tuberculosis TB 42 polio virus 42 rabies 42 virus 42 H#N# influenza virus 42 respiratory illnesses 42 Legionnaires disease 42 contagious diseases 42 SARS 41 hepatitis B 41 flu epidemic 41 avian flu virus