Related by context. Frequent words. (Click for all words.) 72 respiratory illnesses 69 respiratory diseases 66 respiratory tract infections 65 ear infections 64 infections 63 respiratory illness 63 diarrhea 62 sinus infections 62 colds 62 lung infections 61 respiratory ailments 60 diarrheal diseases 59 bacterial infections 59 upper respiratory infections 58 viral infections 57 lung diseases 57 respiratory 56 waterborne diseases 56 fevers 56 respiratory symptoms 56 diseases 56 infectious diseases 56 respiratory tract 55 pneumonia 55 asthma 55 infection 55 urinary tract infections 55 sinusitis 54 chronic cough 54 respiratory infection 54 skin rashes 54 sore throats 54 influenza 53 illnesses 53 eczema 53 bronchitis 52 contagious diseases 52 severe diarrhea 52 chronic diseases 52 fungal infections 52 chronic bronchitis 51 Diarrhea 51 gastroenteritis 51 bacterial infection 51 borne diseases 51 allergy symptoms 51 allergies 51 sicknesses 51 communicable diseases 50 rotavirus 50 pneumococcal disease 50 water borne diseases 50 measles 50 ear infection 50 meningitis 50 allergic rhinitis 50 rashes 50 nasal congestion 50 ailments 49 encephalitis 49 pertussis 49 infectious disease 49 hay fever 49 seasonal influenza 49 disease 49 leptospirosis 49 atopic dermatitis 49 whooping cough 49 seasonal allergies 49 chickenpox 49 tuberculosis 49 runny noses 49 allergic reactions 48 persistent cough 48 meningococcal disease 48 upper respiratory tract 48 Infections 48 chicken pox 48 conjunctivitis 48 coughs 48 Dengue fever 48 gastrointestinal illness 48 malnutrition 48 chronic lung 48 asthmatics 48 itchy eyes 48 gastro intestinal 48 inflammatory bowel disease 47 severe allergic reactions 47 snake bites 47 respiratory disorders 47 skin rash 47 Whooping cough 47 symptoms 47 chronic illnesses 47 staph infections 47 contagious disease 47 outbreaks 47 typhoid fever 47 breathing difficulties 47 flu viruses