Ключевые слова: antibodies, antigen, appointment, care, clinic, clinical, covid, covid19, cure, disease, doctor, dose, elderly, female, flu, gloves, health, home, hospital, immunization, influenza, infusion, injection, insulin, jab, mask, measles, medical, medicine, needle, nurse, old, patient, people, prevention, professional, protection, senior, shot, syringe, therapy, treatment, trial, vaccination, vaccine, virus, woman,