Confident woman in face mask and medical robe taking out flask with processed blood from centrifuge. Side view portrait of concentrated Caucasian doctor or nurse working in lab on Covid-19 pandemic.
Close-up face of focused Caucasian lab assistant processing blood sample in laboratory. Portrait of confident concentrated Caucasian doctor in face mask working on Covid-19 pandemic.
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.
Close-up of doctor taking blood from female Caucasian hand. Unrecognizable nurse in gloves filling syringe with sample. Diagnostics, medical examination, medicine.
Concentrated woman in face mask filling syringe with saline solution. Portrait of confident Caucasian nurse or physician working in hospital during Covid-19 pandemic. Coronavirus treatment, medicine.
Female hands in protective gloves putting empty flask into centrifuge. Unrecognizable Caucasian doctor examining blood tests in laboratory on Covid-19 pandemic. Coronavirus vaccine development.
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.
Nurse in protective gloves applying antiseptic on female Caucasian hand. Close-up of unrecognizable doctor preparing arm before blood sampling. Medical examination, diagnostics, Covid-19.
Close-up of female hand pressing button on medical equipment. Unrecognizable Caucasian doctor doing examination in hospital. Lifestyle, health care, medicine.
Close-up of female Caucasian hand with tattoo before blood test. Unrecognizable doctor in gloves rubbing arm with antiseptic before sample drawing. Medical exam, diagnostics, health care.
