Arzt in Warnanzug und Schutzbrille mit medizinischer Maske auf grauem Hintergrund - Stockfoto & -bild

Stressful - worried Asian medication staff sitting on a chair against the wall, healthcare worker hard working in hospital. Overworked health care worker - nurse feels tired.

Doctor in hazmat suit and medical mask with goggles standing with crossed arms on grey background

Doctor wearing protection suit and face mask show sign gesture stop pandemic epidemic of Covid-19, Coronavirus on white background. Concept of medicine health care covid coronavirus quarantine

Environmental danger. Water contamination. Cholera infection. Confident woman scientist in protective coverall suit mask putting on goggles isolated on grey background.

Portrait of immunologist in ppe suit and goggles with medical mask looking at camera isolated on grey

Doctor in white coat and medical mask with goggles holding test tubes isolated on grey

Immunologist in medical mask and goggles looking at test tube with blood sample isolated on grey

Brunette doctor in medical mask and latex glove holding test tube with blood isolated on grey

Close up of senior man with blue eyes in medical mask

Virologist in goggles and medical mask holding blood sample in test tube isolated on grey

Scientist injecting syringe in piece of pork isolated on white