Related by context. Frequent words. (Click for all words.) 75 carbon monoxide poisoning 62 carbon monoxide 58 Carbon monoxide 55 sudden cardiac arrest 54 carbon monoxide detector 53 space heaters 52 smoke alarms 51 radon 50 hypothermia 49 Legionnaires disease 49 carbon monoxide detectors 48 smoke alarm 47 Radon 47 smoke detectors 47 whooping cough 47 foodborne illness 47 smoke detector 47 pertussis 47 obstructive sleep apnea 47 sleep apnea 47 smoke inhalation 47 borne illness 47 respiratory illness 47 sudden cardiac death 47 bacterial meningitis 47 heat exhaustion 46 anaphylaxis 46 apnea 46 cardiac arrest 46 meningococcal disease 46 seasonal influenza 45 SIDS 45 Norovirus 45 respiratory symptoms 44 arrhythmias 44 Lyme disease 44 wood stoves 44 asthma 44 respiratory illnesses 44 heatstroke 44 WNV 44 respiratory distress 43 hypoglycemia 43 appendicitis 43 allergies 43 drug overdoses 43 COPD 43 frostbite 43 pneumonia 43 H#N# 43 respiratory infection 43 arrhythmia 43 radiation exposure 43 lightning strikes 42 asbestos exposure 42 DVT 42 MRSA infections 42 influenza 42 West Nile Virus 42 secondhand smoke 42 fireplaces 42 hyperthermia 41 allergic reactions 41 sepsis 41 poisoning 41 toxic fumes 41 meningitis 41 monkeypox 41 flu 41 respiratory ailments 41 food borne illnesses 41 pulmonary embolism 41 H#N# influenza 41 respiratory 40 adverse reactions 40 altitude sickness 40 passive smoking 40 flue 40 viral meningitis 40 NFPA 40 rip currents 40 hydrogen sulfide 40 mumps 40 salmonella poisoning 40 lightning strike 40 overdoses 40 hospitalizations 40 norovirus 40 measles 40 illnesses 40 respiratory infections 40 bed bugs 40 drownings 40 Asthma 40 drug overdose 40 West Nile 40 Whooping cough 40 Lyme Disease 40 swine flu 40 radiant heat 39 staph infections