Ключевые слова: background, blue, business, china, chinese, cloud, computer, concept, conceptual, control, corona, coronavirus, cover, crisis, cyber, danger, data, defense, design, digital, hand, hospital, icon, idea, information, internet, mask, medical, medicine, outbreak, people, privacy, protect, protective, risk, safe, safety, secure, security, server, shield, symbol, system, umbrella, virus, weather, web, wuhan,