Ключевые слова: abbreviation, acronym, analysis, awareness, background, bacteria, blood, business, care, concept, deadly, deficiency, diagnosis, dioxide, disease, education, epidemic, healthcare, help, hematology, hiv, human, immunity, immunodeficiency, infection, inflammation, laboratory, medical, prevent, report, sex, sexually, so2, study, sulfur, term, test, text, training, vaccine, virus,