Ключевые слова: background, black, bug, business, button, communication, computer, concept, crack, danger, diagnostic, doctor, electronics, exam, fever, flu, health, healthcare, idea, illness, infection, instrument, internet, key, keyboard, laptop, measurement, medical, medicine, notebook, on, problems, recovery, scale, science, security, sick, sickness, sign, solution, spam, success, support, symbol, symptoms, technology, temperature, thermometer, virus, web,