Ключевые слова: concept, contagion, contamination, control, corona virus, coronavirus, covid, covid19, danger, dangerous, disease, distance, distance measure, distancing, diversity concept, epidemic, fly, health, infecting, infection, isolation, keep, keep safe distance, keep your distance, no gatherings, outbreak, pandemic, person, preventing spread, prevention, preventive measures, prohibited, protect yourself, protection, quarantine, rejection, restricted, safe, safe distance, safety, safety measure, sign, social, social distance, social distancing, stop, stretched, virus, warning,