Student medycyny trzyma rurkę z krwią. Kobieta w białym mundurze. Lekarz w maskach. Temat koronawirusu. - Zdjęcie stockowe & obraz

Doctor at work. Covid-19. Coronavirus vaccine. Doctor on a detour in a private clinic. Laboratory

A scientist researcher in the laboratory is testing drugs for treatment of viral pneumonia. Coronovirus blood test of infected patients. World pandemic.

Lab worker holding test tube with blood sample on light background

Scientist working with test tube in laboratory

Medic in hazmat protective suit holds a test tube with a coronavirus positive blood sample from Wuhan, China. 2019 nCoV pandemic. stop coronavirus. MERS. A virologist is thinking of a coronavirus

A medical professional, laboratory assistant, doctor performs an analysis in a laboratory, uses test tubes, a pipette and a petri dish for the presence of bacteria in the human body

Medic in hazmat protective suit holds a test tube with a coronavirus positive blood sample from Wuhan, China. 2019 nCoV pandemic. stop coronavirus. MERS. A virologist is thinking of a coronavirus