Related by context. Frequent words. (Click for all words.) 73 cholera 61 cholera outbreak 56 Dengue fever 56 Dengue 55 cholera epidemic 53 Ebola 52 Malaria 51 waterborne diseases 51 Malnutrition 51 malaria 50 Measles 50 water borne diseases 50 Outbreaks 50 Swine Flu 50 Swine flu 49 Infections 49 mosquito borne disease 49 Tuberculosis 49 dengue 48 dengue fever 48 Rabies 48 severe diarrhea 47 diarrhea 47 Bird flu 47 West Nile 46 tuberculosis TB 46 Whooping cough 46 Infection 45 typhoid 45 Violence 45 measles 45 Syphilis 45 superbug 45 Sectarian violence 45 Unrest 44 Outbreak 44 chikungunya 44 Hepatitis 44 Norovirus 44 meningitis 44 Flu 44 typhoid fever 44 XDR TB 44 swine flu 44 Ebola virus 44 HIV AIDS 43 Bird Flu 43 bubonic plague 43 Avian flu 43 dysentery 43 Influenza 43 MDR TB 43 Polio 43 tuberculosis 43 Meningitis 43 H#N# virus 42 Pneumonia 42 epidemics 42 Rioting 42 dengue cases 42 yellow fever 42 Avian Influenza 42 Floods 42 A/H#N# flu 42 HIV 42 infectious disease 42 Flooding 41 H#N# 41 HIV AIDS pandemic 41 HIV AIDS epidemic 41 highly contagious 41 Virus 41 preventable diseases 41 AIDS 41 contagious disease 41 H#N# avian influenza 40 HIV infection 40 swine flu virus 40 Aids 40 disease 40 malnutrition 40 leptospirosis 40 whooping cough 40 communicable diseases 40 HIV Aids 40 bird flu virus 39 E. Coli 39 C. difficile 39 infections 39 Diseases 39 West Nile Virus 39 Hepatitis B 39 drug resistant tuberculosis 39 bird flu 39 Plague 39 viral meningitis 39 Looting 39 gastroenteritis 39 NDM 1 39 gonorrhea 39 Disease