Ключевые слова: airtight, ampoules, backgrounds, biotechnology, blue, bottle, closeup, contemporary, control, copy, disease, equipment, experiment, flu, glass, group, healthcare, hope, hospital, human, illness, injecting, injection, laboratory, light, liquid, medical, medicine, nobody, objects, positivity, protective, research, sample, science, small, test, treatment, vaccination, vial, vials, white,