vaccine, 2019-ncov, bottle, clinic, clinical, close up, company, concept, coronavirus, covid, covid 19, covid-19, covid19, cure, disease, doctor, dose, drug, editorial illustrative, effective, epidemic, flu, hand glove, health, health care, healthcare, holding, illness, immune, immunization, injection, laboratory, medical, medication, medicine, pandemic, pharmaceutical, pharmacy, protection, research, science, selective focus, syringe, treatment, vaccination, vial, virus