Related by context. Frequent words. (Click for all words.) 73 typhoid 62 measles 61 pneumonia 59 tuberculosis 59 gastroenteritis 58 H#N# virus 58 meningitis 58 hepatitis 58 Hepatitis 57 diarrhea 57 infection 57 bacterial meningitis 57 influenza 56 pertussis 55 dengue fever 55 yellow fever 55 bacterial infection 55 chickenpox 54 H#N# 54 cholera 54 H#N# influenza 54 encephalitis 53 respiratory illness 52 chicken pox 52 mumps 52 disease 52 swine flu 52 dengue 52 malaria 52 whooping cough 51 infections 51 norovirus 51 syphilis 51 illness 50 MRSA 50 Tuberculosis 50 H#N# flu 50 Swine Flu 50 West Nile 50 viral infection 50 bird flu virus 49 flu 49 polio 49 Hepatitis B 49 botulism 49 flu virus 49 E. coli 49 Salmonella 49 avian flu 49 WNV 48 leprosy 48 West Nile virus 48 Ebola 48 swine flu virus 48 avian influenza 48 hepatitis B 48 virus 48 bird flu 48 smallpox 48 rabies 48 infectious disease 48 influenza virus 47 Influenza 47 salmonella 47 H#N# swine flu 47 mosquito bites 47 respiratory infections 46 borne illness 46 West Nile Virus 46 staph 46 H#N# strain 46 bacterial infections 46 highly contagious 46 colds 46 superbug 46 infectious diseases 45 bronchitis 45 cholera outbreak 45 outbreak 45 gonorrhea 45 germs 45 liver disease 45 communicable diseases 45 malnutrition 44 kidney failure 44 strep throat 44 illnesses 44 respiratory illnesses 44 staph infection 44 TB 44 SARS 44 diseases 44 vaccinated 44 Polio 44 stomach bug 44 Cholera 44 C. difficile 44 herpes 44 epidemics 44 bedbugs 44 Measles