Ключевые слова: b11529, booster, care, coronavirus, covid, covid19, covid19 vaccine, crown, delta, disease, doctor, dose, drug, epidemic, glove, hand, health, hospital, illness, immunity, immunization, infection, injection, laboratory, liquid, medical, medication, medicines, microbiology, mutation, omicron, omicron variant, pandemic, protection, research, sarscov2, science, syringe, test, treatment, vaccination, vaccines, variant, variant of concern, variation, vial, virus, who,