Related by context. Frequent words. (Click for all words.) 45 bubonic plague 43 contagious disease 41 typhoid fever 40 Black Plague 40 virus 39 plague 38 viruses 38 SARS 38 pox 38 Typhoid 37 H#N# influenza virus 37 cooties 37 mumps 37 Plague 37 infect 37 Ebola virus 36 bug 36 Ebola 36 influenza 36 herpes 36 strep 36 superbug 36 atypical pneumonia 36 germs 36 infected 35 Norovirus 35 tuberculosis 35 scarlet fever 35 Superbug 35 methicillin resistant staphylococcus aureus 35 epidemic 35 swine flu 35 pestilence 35 Avian influenza 35 sicknesses 35 variant CJD 34 Bed bugs 34 H#N# virus 34 small pox 34 sick 34 flu 34 flu viruses 34 Mumps 34 West Nile Virus 34 Swine Flu 33 sneezes 33 venereal disease 33 Staph 33 swine flu virus 33 scourge 33 flu virus 33 infecting 33 pneumonia 33 shigella 33 retrovirus 33 Avian flu 32 smallpox 32 H#N# swine flu 32 zombie 32 Virus 32 respiratory illness 32 swine influenza 32 highly contagious 32 infects 32 virus infects 32 coronavirus 32 coughing sneezing 32 affliction 32 germ 31 spreading germs 31 pertussis 31 disease 31 vermin 31 mosquito borne 31 mosquito borne illness 31 contagious 31 Ted Kennedy 31 infesting 31 Paul Revere 31 Scourge 31 mosquito bite 31 vampirism 31 yellow fever 31 pinkeye 31 Bieber Fever 31 malady 30 Herpes 30 Pandemics 30 H#N# flu 30 respiratory viruses 30 vCJD 30 cockroaches 30 measles 30 Dengue fever 30 Quinlisk 30 causative agent 30 swine flue 30 Lone Ranger 29 Marburg virus 29 influenza A/H#N# 29 infestation