Doctor blowing medical glove and looking at camera isolated on white - Stock Photo & Image

Covid-19, preventing virus, healthcare workers and vaccination concept. Friendly smiling doctor prefer using medical mask instead of respirator, standing in gloves and white coat.

Covid-19, preventing virus, healthcare workers and vaccination concept. Friendly smiling doctor prefer using medical mask instead of respirator, standing in gloves and white coat.

Middle age senior hoary cardiologist doctor man holding heart over isolated background scared in shock with a surprise face, afraid and excited with fear expression

Young chemist isolated on white background

Young doctor in a white coat, with a stethoscope around neck, smiles in surprise, makes a gesture with hand and looks with one eye through the lens of glasses. Isolated, on a yellow background.

Middle age senior hoary cardiologist doctor man holding heart over isolated background cover mouth with hand shocked with shame for mistake, expression of fear, scared in silence, secret concept

Strange funny male scientist, laboratory assistant in a white coat and glasses holds a bottle with a vaccine in his hands. Immunization chemical analysis