Ключевые слова: alert, banner, biologic, blue, concept, conflict, contamination, continent, corona, coronavirus, countries, covid, covid19, crash, crisis, danger, disease, emblem, epidemic, eu, europe, european, european union, flag, global, hazard, health, illustration, impact, infect, infected, infection, lockdown, nations, outbreak, pandemic, quarantine, sick, sickness, sign, star, symbol, union, useful, viral, virus, warning, yellow,