Inspecteur de l'eau en costume de protection, respirateur et lunettes prélever un échantillon d'eau - Photo & image de stock

Portrait of male lab worker in protective respirator and white coverall, smart scientist. Male chemist in eyeglasses work on research. Science, lab concept

Corona virus concept. Male scientist doctor in mask, glasses and protective suit showing stop sign with his hand in latex glove during COVID pandemic outbreak. Man in biochemistry laboratory.

Chemistry Scientist Using Medical Microscope. Laboratory Scientific Research. Scientist Looking at Optical Microscopy Metal Lens. Chemist in Coverall and Gloves Working with Medical Equipment

Medical personnel performing an antigen test for covid-19.

Scientist or researcher hand in blue gloves holding flu, measles, coronavirus, covid-19 vaccine disease preparing for human clinical trials vaccination shot, medicine and drug concept.