Medico professionista che mostra una maschera chirurgica alla fotocamera per la protezione contro l'epidemia di coronavirus COVID-19. Giovane uomo dando maschera protettiva viso medico con spazio copia . - Foto e immagini stock

Doctor spraying antiseptic onto palm on light grey background, closeup. Space for text

Doctors or scientists are using vaccines to fight COVID-19 or believe other diseases.

Girl in the lab on a white background doing a test,blue gloves

The Vaccinating people against disease, money

Medical topic: the doctor's hand in blue gloves holds a transparent container for urine analysis on a blue background

Female doctor with surgical face mask and face shield holding syringe with needle and COVID-19 Coronavirus vaccine tube with copy space. Healthcare And Medicine concept

Female doctor with surgical face mask and face shield holding syringe with needle and COVID-19 Coronavirus vaccine tube with copy space. Healthcare And Medicine concept

Close-up of Asian male scientist in uniform holding laboratory flask with red chemical solution. Chemistry, Biological, Toxicology, concept

Hands of a lab technician with blood test sample tubes in a row for laboratory blood analysis.

Blood test sample tubes in a rack for laboratory blood analysis. Science and Medical concept.

Young African American mixed kid testing chemistry lab experiment and concentrating with shaking glass tube flask along with microscope

Close up of Asian female scientist research team in protective gear using microscope in the laboratory to develop antivirus vaccine

Hands of a lab technician with blood test sample tubes in a row for laboratory blood analysis.