Trabajador médico en guantes pone una muestra para el análisis de ADN en un hisopo de algodón en un tubo de ensayo de vidrio, el concepto de examen científico y médico, primer plano - Foto e imágenes de stock

Scientist or medical in lab coat holding test tube with reagent, mixing reagents in glass flask in laboratory research.

Male doctor hands holding two test tubes in laboratory close up.

Male doctor hands holding test tubes in laboratory close up.

Laboratory assistant in gloves puts a sample for DNA analysis on a cotton swab into a glass test tube, a scientific, police investigation and medical examination concept, close-up

Female hand of a laboratory assistant holds a test tube and a sample for dna test on a virtual display background, scientific concept, definition of paternity

Male doctor, scientist, laboratory assistant, holding a bottle of liquid, researching a vaccine, a new medicine, the concept of innovation in modern science, a remedy for COVID-19, test

Doctor holds in his hand a laboratory test tube with liquid, does an analysis on COVID-19 against the background of a ventilator, the creation of a vaccine for the SARS-CoV-2 virus, coronavirus, flu

Medical laboratory test tube with blood inside, stethoscope, syringe, protective masks, concept of the danger of the spread of the virus and infection

Laboratory assistant in gloves puts a sample for DNA analysis on a cotton swab into a glass test tube, a scientific, police investigation and medical examination concept, close-up

Female pharmacist, scientist holding a test tube with medicine, vaccine, concept of innovation in modern science, medical development for the treatment of coronavirus, COVID-19, dna test

Transparent glass tube with colored liquid, vaccine in hands of male scientist, pharmacist, technological background, concept of scientific experiment, research, treatment of coronavirus, COVID-19