Mano femenina en guantes médicos tomando plasma sanguíneo con jeringa. Primer plano del asistente de laboratorio médico irreconocible examinando la muestra en el laboratorio. Medicina, desarrollo de la vacuna Covid-19 - Metraje y vídeo de stock

Scientist pouring chemicals into flask, super slow motion shot at 480fps

Backside view lab assistant in rubber gloves pours brown liquid into glass flask fixed on high metal stand

Close-up laboratory scientist laboratory assistant gloves test tubes virus reagents vaccine research petri dish.

Extreme close-up of nurse hands filling flask with blood from syringe and closing sample. Unrecognizable doctor or lab assistant in uniform and gloves working in laboratory on Covid-19 pandemic

Blood in tube in two layers divided by centrifuge after mixing. Doctor draw plasma into a syringe for experiment. Close-up.

Scientist mixing two transparent liquids and create pink substance. Pharmaceutical laboratory experiment. Close-up.

Chemist pouring viscous liquid into a flask. The scientist preparing the equipment for the experiment in laboratory. Close-up.

Serious lab assistant pouring blood from syringe to flask for processing in centrifuge. Caucasian woman in face mask examining samples on Covid-19 pandemic. Medicine, laboratories

The worker measuring liquid on the scales and it is too much and hes taking away it into the bottle. The worker using pipette. Pharmaceutical automatic blender mixing fluids at the background.