Ключевые слова: 2019ncov, antigen, biology, blue, chemistry, corona, coronavirus, covid19, disease, epidemic, health, healthcare, illness, infection, lettering, medical masks, medicine, mutation, new strain, no people, nobody, omicron, omicron variant, omicron xbb, pandemic, protection, protective, red, sample, science, studio shot, syringe, test tube, vaccine, virus,