Ключевые слова: anatomy, atypical, bacteria, bacterium, care, concept, diarrhea, disease, fever, flu, health, healthcare, healthy, hematology, hospital, human, hygiene, illness, immunology, infection, infectious, influenza, insurance, internal, laboratory, legionella, legionellosis, legionnaire, legionnaires, medical, medicine, microbiology, organ, organism, patient, pneumonia, pneumophila, pulmonary, research, respiration, respiratory, science, serology, sickness, symptoms, system, test, therapy, treatment, virus,