Vista ritagliata dell'epidemiologo in tuta di pericolo e maschera respiratoria che tiene provette con campioni di sangue isolati su colpo grigio, panoramico - Foto e immagini stock

Covid-19, coronavirus disease, healthcare workers concept. Determined and confident female asian doctor, tech lab employee in personal protective equipment holding syringe with vaccine.

Covid-19, preventing virus, health, healthcare workers and quarantine concept. Skeptical or doubtful doctor or nurse in personal protective equipment, medical suit and face shield, pointing up.

Covid-19, preventing virus, health, healthcare workers and quarantine concept. Determined young doctor or nurse working with patients sick coronavirus, pointing fingers up, wear protective suit.

Covid-19, medical research, diagnosis, healthcare workers and quarantine concept. Shocked and excited doctor working on new coronavirus vaccine, pouring liquid in test-tube, stare intense.