Ключевые слова: 3d, background, ban, barrier, border, caution, closed, concept, coronavirus, covid, cure, danger, disease, earth, epidemic, filter, flu, global, globe, healing, health, illustration, medical, migration, ncov, outbreak, pandemic, planet, pneumonia, prevention, protection, quarantine, render, risk, safety, sars, science, security, sign, stop, symbol, tape, toning, tourism, tourist, travel, viral, virus, warning, yellow,