Chercheur en combinaison de sécurité hazmat préparation d'une seringue injectable avec tube à essai en verre . - Photo & image de stock

Concept of COVID-19 - Coronavirus disease - 2019-nCoV. Doctor holding blood sample for analysis and sampling of Covid-19 infectious disea.

Partial view of biochemist holding pipette and test tube with blood sample near colleague

Syringe injection and vaccine in male doctor hand, preparing to vaccine patient at home, sit talking, giving consultation. use for prevention, immunization and treatment from corona virus infection

Coronavirus covid-19 vaccine background of coronavirus covid-19 vaccin in syringe in hand of biochemistry research scientist in laboratory. concept of coronavirus covid-19 vaccination

Scientist works in a modern scientific lab using laboratory equipment, microscope and computer technology. Invention of new drugs and vaccines. Concept of Science and Health.

African-american scientist works in a modern scientific lab using laboratory equipment, microscope and computer technology. Invention of new drugs and vaccines. Concept of Science and Health.