Hand hält Reagenzglas mit blauer Flüssigkeit in einem Labor - Stockfoto & -bild

Hands of a doctor or nurse in blue gloves hold a container with a urine test on a white background.

Hand in a blue medical glove holds a test tube with a blue liquid.Tripod with test tubes and flask with blue liquid in the background.Concept of chemical technology, biotechnology, pharmaceuticals

Close up of a scientist's hand holding a test tube with a blue liquid in the background

Scenic view of health care concept

At the laboratory table

Doctor in medical mask and latex gloves holding jars with vaccine isolated on white

Laboratory assistant takes two ampules for making a vaccination

Hand in a blue sterile glove holds a empty plastic container for collecting analyzes, white background

Close-up of a syringe with a vaccine on a white background

Bottle of vaccine in researchers hand. Coronavirus disease 2019 testing process in a laboratory. Close up

Scenic view of health care concept

Doctor in medical mask and latex gloves holding jars with vaccine isolated on white

Doctor holding a test kit for viral disease COVID-19. Lab card kit tested NEGATIVE for viral novel coronavirus sars-cov-2 virus.