Related by context. Frequent words. (Click for all words.) 54 norovirus outbreak 48 Legionnaire disease 48 bedbug infestation 47 respiratory illness 47 Legionnaires Disease 47 illnesses 46 scabies 46 Chickenpox 46 Legionnaires disease 45 C. difficile infection 45 health 45 cryptosporidiosis 45 mumps outbreak 44 respiratory illnesses 44 acute gastroenteritis 44 overcrowding 44 salmonella infection 44 gastrointestinal illnesses 44 legionnaires disease 44 C. diff 44 sicknesses 44 MRSA infection 44 MRSA infections 44 shigellosis 44 norovirus 43 ruptured appendix 43 chlorine leak 43 borne illnesses 43 Legionella bacteria 43 infections 43 infection 43 rat infestation 43 MRSA 43 carbon monoxide leak 43 rodent infestation 43 tick borne disease 43 acute respiratory infection 43 asbestos contamination 42 nosocomial infections 42 Carbon monoxide poisoning 42 whooping cough 42 dental decay 42 measles outbreak 42 allergic reactions 42 absenteeism 42 toxic fumes 42 asthma 42 respiratory 42 outbreak 42 staph infections 42 unsanitary conditions 42 staph 42 Whooping Cough 42 sewage overflow 42 chronic illness 41 E.Coli 41 C difficile 41 Illnesses 41 E.coli outbreak 41 C.diff 41 Whooping cough 41 Head lice 41 foul odors 41 respiratory ailments 41 gastrointestinal illness 41 sickness 41 Staph infections 41 Health 41 sore throats 41 spider bites 41 Norovirus 41 Hantavirus 41 severe allergic reaction 41 respiratory infections 41 staph infection 41 legionella 41 outbreaks 41 respiratory symptoms 41 C Diff 41 botulism poisoning 40 lung ailment 40 Salmonellosis 40 eye irritation 40 acute diarrhea 40 bedbug infestations 40 unsanitary 40 Diarrhoea 40 bacterial infection 40 Clostridium difficile infection 40 misdiagnoses 40 polio epidemic 40 gastrointestinal symptoms 40 CO poisoning 40 illness 40 E. coli infection 40 hemolytic anemia 40 parvovirus 40 Ailments 40 Bacterial meningitis 40 breathing difficulties 40 Allergic reactions