Related by context. Frequent words. (Click for all words.) 63 measles epidemic 60 epidemics 60 measles outbreaks 59 polio outbreak 58 meningitis outbreak 58 cholera outbreaks 57 measles 57 outbreaks 57 Cholera outbreak 57 dengue epidemic 56 waterborne disease 56 cholera 55 dengue fever outbreak 55 polio vaccination campaign 55 Pandemic flu 55 Diarrhoea 55 malaria diarrhea 54 diarrheal disease 54 Rift Valley fever 54 mosquito borne illness 54 mosquito borne diseases 54 Ebola outbreak 54 pandemic H#N# virus 54 mosquito borne disease 53 waterborne illnesses 53 Meningococcal disease 53 waterborne diseases 53 acute diarrhea 53 acute watery diarrhea 53 haemorrhagic fever 52 borne diseases 52 Rift Valley Fever 52 Lassa fever 52 measles outbreak 52 Dengue fever 52 cholera outbreak 52 AH#N# 52 outbreak 52 mosquito borne illnesses 51 Chickenpox 51 water borne diseases 51 pneumonia diarrhea 51 meningitis epidemic 51 sporadic outbreaks 51 Chicken pox 51 malaria 51 avian flu outbreaks 51 epidemic 51 mosquito borne 51 curable diseases 51 Leptospirosis 51 kala azar 51 Outbreaks 51 typhoid 51 Whooping Cough 51 intestinal infections 51 mosquito borne virus 50 pandemic H#N# influenza 50 measles immunization 50 Japanese encephalitis 50 measles vaccination 50 A/H#N# flu cases 50 H#N# pandemic 50 mumps outbreak 50 pandemic 50 H#N# flu pandemic 50 Gastroenteritis 49 deadly Ebola virus 49 polio epidemic 49 CCHF 49 Seasonal influenza 49 bird flu outbreaks 49 diarrheal 49 Flu pandemic 49 malnutrition 49 Chikungunya 49 shigellosis 49 Tetanus 49 Measles 49 locust invasion 49 contagious respiratory 49 tick bites 49 foodborne diseases 49 avian influenza outbreak 49 rinderpest 49 H#N# influenza pandemic 49 infections 49 deadly cholera epidemic 49 locust plague 49 pandemic H#N# 49 influenza 49 diphtheria 49 cholera epidemic 49 Cholera 49 diarrheal illness 48 Salmonellosis 48 Hantavirus 48 dengue outbreak 48 parasitic infections 48 pneumococcal meningitis 48 oseltamivir Tamiflu