Related by context. Frequent words. (Click for all words.) 68 respiratory illness 67 bacterial infection 65 bronchitis 64 congestive heart failure 64 infection 63 viral infection 63 illness 63 bacterial meningitis 63 meningitis 62 kidney failure 61 gastroenteritis 60 lung disease 60 encephalitis 60 chicken pox 59 emphysema 59 tuberculosis 59 flu 59 appendicitis 58 influenza 58 strep throat 57 renal failure 57 respiratory 57 liver disease 56 ailment 56 leukemia 56 breathing difficulties 56 organ failure 56 sore throat 56 sepsis 56 diarrhea 55 respiratory infections 55 staph infection 55 infections 55 cardiac arrest 55 pulmonary embolism 55 whooping cough 55 complications 55 kidney disease 55 flulike symptoms 54 measles 54 liver cancer 54 blood clot 54 hospitalization 53 disease 53 pertussis 53 internal bleeding 52 lung cancer 52 lymphoma 52 asthma 52 dehydration 51 jaundice 51 hepatitis 51 H#N# virus 51 fevers 51 MRSA 51 colon cancer 50 illnesses 50 respiratory diseases 50 swine flu 50 mumps 50 hospitalized 50 esophageal cancer 50 irregular heartbeat 50 chest pains 50 collapsed lung 49 H#N# 49 hypothermia 49 ulcer 49 mononucleosis 49 colds 49 brain hemorrhage 49 pancreatic cancer 48 ailments 48 H#N# influenza 48 kidney stones 48 dengue fever 48 heart disease 48 intensive care 48 bacterial infections 48 gravely ill 48 superbug 47 cancer 47 chronic illness 47 brain tumor 47 lung 47 cirrhosis 47 chronic diseases 47 malaria 47 heat exhaustion 47 drug overdose 47 hospitalizations 47 symptoms 47 Lyme disease 47 viral infections 46 bladder cancer 46 flu virus 46 carbon monoxide poisoning 46 seriously ill 46 sickness 46 Alzheimer disease 46 H#N# flu