Related by context. Frequent words. (Click for all words.) 55 pneumonia 54 viral infection 54 gastroenteritis 52 bacterial infection 52 respiratory infection 52 ailment 51 lung infection 51 staph infection 51 infection 49 illness 48 severe diarrhea 48 ear infection 48 tonsillitis 47 kidney failure 47 bronchitis 47 stomach ailment 47 oblique strain 46 bacterial meningitis 46 internal bleeding 45 encephalitis 45 fungal infection 45 cholera 45 mononucleosis 45 appendicitis 45 meningitis 45 urinary tract infection 45 sinus infection 44 stomach bug 44 pancreatitis 43 flulike symptoms 43 highly contagious 43 torn ligaments 43 herniated disc 43 mosquito borne disease 43 dengue fever 43 diarrhea 43 intestinal 43 Achilles injury 42 ankle injury 42 strep throat 42 upper respiratory 42 infections 42 Ebola 42 knee sprain 42 abscess 42 Achilles tendon injury 41 muscle strain 41 laryngitis 41 abdominal strain 41 irregular heartbeat 41 chicken pox 41 H#N# virus 41 dysentery 41 cholera outbreak 41 malaria 41 typhoid 41 respiratory illness 41 torn meniscus 41 dengue 41 hernia 41 malnutrition 41 tendinitis 41 hairline fracture 41 tendonitis 41 ankle sprain 41 blood clot 40 measles 40 flu bug 40 septic shock 40 septicemia 40 contusion 40 sprained knee 40 elbow tendinitis 40 ACL tear 40 bursitis 39 bacterial infections 39 broken collarbone 39 groin injury 39 severe dehydration 39 tuberculosis 39 XDR TB 39 sinusitis 39 flu virus 39 staph infections 39 allergic reaction 39 gall bladder 39 hospitalized 39 bone bruise 39 brain hemorrhage 39 flu 39 Cholera 39 outbreak 39 kidney stones 39 respiratory infections 39 disease 39 torn cartilage 39 torn tendon 39 emergency appendectomy 39 calf strain 39 hepatitis 39 herniated disk