Everything is theoretically impossible, until it is done. a unrecognizable scientist using a needle in a laboratory - Foto e immagini stock

Close up of male doctor holding syringe with injection

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A lab technician filling a needle with fluid.

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Afraid of needles. a doctor standing with a syringe

Healthcare, vaccine and woman doctor with syringe in hands, for vaccination or shot in hospital. Zoom, needle and bottle, science with medical innovation for virus protection and safety in medicine

Hands, doctor and covid vaccine in hospital with healthcare worker, innovation and medical cure. Research, medicine and hope for future breakthrough with health expert prepare injection for treatment.