Primer plano de un científico irreconocible sosteniendo un tubo de ensayo lleno de sangre etiquetado con un resultado positivo de la prueba de Covid-19. - Foto e imagen de stock

Close up. image of a scientist looking at a tube with a test . photo with a copy-space.

Doctor examining the urine in laboratory, closeup

Scientist with dropper working at the laboratory.medical concept. Corona virus pandemic concept. Development of virus treatment drug.

Closeup shot of an unrecognisable scientist holding a blood filled test tube with a positive Covid-19 result on its label.

Close up. tubes with test results in rivers at the scientist. science and health.

This vaccine will change the world. a doctor preparing a dose of the covid vaccination for a patient

Closeup shot of an unrecognisable scientist using a syringe while working in a lab.

Covid, innovation and woman scientist with the vaccine or virus cure in a medical laboratory after research analysis. Face mask, safety and healthcare science doctor holding antivirus medicine.

Covid, scientists and vaccine vial while a group medical practitioners, chemists and researchers stand together from below. Innovation cure, treatment and medicine for virus and clinical trial.

I need to protect my hands for this one. Closeup of an unrecognizable scientist putting protective gloves on while doing experiments inside of a laboratory

Cropped shot of scientists holding a vial and showing thumbs up while conducting medical research in a laboratory

Medicine is a career centered around science and humanity. a young male scientist working in a lab

This sample just came in for testing. Closeup shot of an unrecognisable scientist using a syringe while working in a lab

Blood test, tube and scientist man with research analysis, vaccine and healthcare face mask in laboratory. Medical, science doctor or person focus, inspection and red, dna liquid or covid 19 solution.