Ключевые слова: africa, african variant, b11529, ban, bright, called, card, case, classification, color background, concern, coronavirus, covid, covid variant, covid19, covid19 omicron variant, covid19 variant, face, flight cancellation, hold, hotel quarantine, infection, medical, memo, mutation, new, new covid variant, new variant, note, omicron, omicron variant, paper, plastic, reinfection, safety, sarscov2, shield, south, south africa, south africa variant, text, travel, travel ban, variant, virus, who, world health organization,