Ключевые слова: background, beat, cardiac, care, concept, corona, disability, epidemic, financial, flu, glasses, global, government, health, healthy, hear, hospital, idea, infected, infection, instrument, isolated, mask, measurement, medic, medicals, message, metal, note, notepad, outbreak, pandemic, pneumonia, pressure, prevention, protection, pulse, respiratory, safety, sick, stethoscope, stroke, text, therapy, vaccine, virus, warning, word,