Porträt eines Immunologen in Anzug und Brille mit medizinischer Maske, der isoliert auf graue Kamera blickt - Stockfoto & -bild

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

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 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

Close up of senior man with blue eyes in medical mask

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

Scientist injecting syringe in piece of pork isolated on white

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