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    Hands of an unrecognizable female doctor holding a coronavirus vaccine vial — Stock Photo
    Hands of an unrecognizable female doctor holding a coronavirus vaccine vial
    Doctors examining boy teeth in clinic. — Stock Photo
    Doctors examining boy teeth in clinic.
    Cropped image scientist adding liquid in flask — Stock Photo
    Cropped image scientist adding liquid in flask
    Corneal topography. Ophthalmologist scanning a patient's eye to obtain a three-dimensional image of the cornea. — Stock Photo
    Corneal topography. Ophthalmologist scanning a patient's eye to obtain a three-dimensional image of the cornea.
    Human Platelets, computer illustration — Stock Photo
    Human Platelets, computer illustration
    Asian girl with mother having eye test in clinic. — Stock Photo
    Asian girl with mother having eye test in clinic.
    Specimens in rack on laboratory counter — Stock Photo
    Specimens in rack on laboratory counter
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Close-up of green chemical sample in glass phial. — Stock Photo
    Close-up of green chemical sample in glass phial.
    Measuring oxygen saturation in blood with pulse oximeter. — Stock Photo
    Measuring oxygen saturation in blood with pulse oximeter.
    Swab sample from inside forensic evidence bag. — Stock Photo
    Swab sample from inside forensic evidence bag.
    Close-up shot of group of surgeons operating in hospital — Stock Photo
    Close-up shot of group of surgeons operating in hospital
    Top view of crop unrecognizable woman using modern pulse oximeter on finger of kid for measuring oxygen level in blood — Stock Photo
    Top view of crop unrecognizable woman using modern pulse oximeter on finger of kid for measuring oxygen level in blood
    Petri dishes with blood agar stacked on blue background. — Stock Photo
    Petri dishes with blood agar stacked on blue background.
    Elder man checking his arterial pressure with machine — Stock Photo
    Elder man checking his arterial pressure with machine
    Hands of an unrecognizable female doctor holding a coronavirus vaccine vial — Stock Photo
    Hands of an unrecognizable female doctor holding a coronavirus vaccine vial
    Portrait of senior woman undergoing an x-ray test in hospital — Stock Photo
    Portrait of senior woman undergoing an x-ray test in hospital
    Optician testing a girl's eyes with optometry devices — Stock Photo
    Optician testing a girl's eyes with optometry devices
    Female patient at eye examination in ophthalmology clinic. — Stock Photo
    Female patient at eye examination in ophthalmology clinic.
    Cropped shot of doctor measuring finger of patient — Stock Photo
    Cropped shot of doctor measuring finger of patient
    Senior woman undergoing an x-ray test in hospital — Stock Photo
    Senior woman undergoing an x-ray test in hospital
    Scientist putting on protective mask in laboratory — Stock Photo
    Scientist putting on protective mask in laboratory
    Scientific laboratory researcher using test tube while experiment. — Stock Photo
    Scientific laboratory researcher using test tube while experiment.
    Test tubes with red liquid in rack. — Stock Photo
    Test tubes with red liquid in rack.
    Side view of anonymous doctors in protective suit standing in ambulance car near opened door with equipment and examining patient with virus infection — Stock Photo
    Side view of anonymous doctors in protective suit standing in ambulance car near opened door with equipment and examining patient with virus infection
    Pills and capsules in test tube on grey background. — Stock Photo
    Pills and capsules in test tube on grey background.
    Bacterial colonies on agar plate. — Stock Photo
    Bacterial colonies on agar plate.
    Female doctor examining a microscope in a hospital. — Stock Photo
    Female doctor examining a microscope in a hospital.
    Close-up of antibiotic testing in petri dish. — Stock Photo
    Close-up of antibiotic testing in petri dish.
    Female doctor measuring with calipers allergic reaction during skin prick test. — Stock Photo
    Female doctor measuring with calipers allergic reaction during skin prick test.
    Middle-aged woman on an open MRI machine waiting for the test to begin — Stock Photo
    Middle-aged woman on an open MRI machine waiting for the test to begin
    Caring woman using pulse oximeter on finger of ill boy in oxygen mask using nebulizer during inhalation at home — Stock Photo
    Caring woman using pulse oximeter on finger of ill boy in oxygen mask using nebulizer during inhalation at home
    Optician using phoropter for eye examination of woman. — Stock Photo
    Optician using phoropter for eye examination of woman.
    Close-up shot of surgeon with binoculars at work — Stock Photo
    Close-up shot of surgeon with binoculars at work
    Close-up of doctor holding prepared influenza nasal vaccine. — Stock Photo
    Close-up of doctor holding prepared influenza nasal vaccine.
    Crop unrecognizable medic with needle and syringe collecting blood from vein of patient in hospital — Stock Photo
    Crop unrecognizable medic with needle and syringe collecting blood from vein of patient in hospital
    Adipose tissue composed of adipocytes — Stock Photo
    Adipose tissue composed of adipocytes
    Male doctor examining patient in hospital — Stock Photo
    Male doctor examining patient in hospital
    Scientists preparing multiwell plate with blood samples for testing and analysis. — Stock Photo
    Scientists preparing multiwell plate with blood samples for testing and analysis.
    Measuring oxygen levels in blood with pulse oximeter. — Stock Photo
    Measuring oxygen levels in blood with pulse oximeter.
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Genetic research, conceptual illustration. DNA (deoxyribonucleic acid) molecule in blood sample tubes in a centrifuge. — Stock Photo
    Genetic research, conceptual illustration. DNA (deoxyribonucleic acid) molecule in blood sample tubes in a centrifuge.
    Close-up of red glass microtiter plate. — Stock Photo
    Close-up of red glass microtiter plate.
    Young female scientist working in laboratory — Stock Photo
    Young female scientist working in laboratory
    Crop scientist adding liquid in flask — Stock Photo
    Crop scientist adding liquid in flask
    Close-up of test tube in rack at blood bank — Stock Photo
    Close-up of test tube in rack at blood bank
    Bearded elderly male in eye test glasses sitting in modern clinic before vision examination and looking at camera — Stock Photo
    Bearded elderly male in eye test glasses sitting in modern clinic before vision examination and looking at camera
    Ophthalmologist examining a woman's eyes with an indirect ophthalmoscope — Stock Photo
    Ophthalmologist examining a woman's eyes with an indirect ophthalmoscope
    Open laptop and scientific samples on table — Stock Photo
    Open laptop and scientific samples on table
    Optician testing senior man eyesight. — Stock Photo
    Optician testing senior man eyesight.
    Monitoring respiratory illness with digital spirometer. — Stock Photo
    Monitoring respiratory illness with digital spirometer.
    Woman getting eye exam with a slit lamp in clinic — Stock Photo
    Woman getting eye exam with a slit lamp in clinic
    Tubes containing blood samples — Stock Photo
    Tubes containing blood samples
    Scientist examining specimen under microscope during clinical trial in laboratory. — Stock Photo
    Scientist examining specimen under microscope during clinical trial in laboratory.
    Crop unrecognizable woman using modern pulse oximeter on finger of kid for measuring oxygen level in blood — Stock Photo
    Crop unrecognizable woman using modern pulse oximeter on finger of kid for measuring oxygen level in blood
    Preschooler boy coloring shapes with colorful pens for developmental psychology test in psychologist office. — Stock Photo
    Preschooler boy coloring shapes with colorful pens for developmental psychology test in psychologist office.
    Woman undergoing allergy patch test with mature doctor. — Stock Photo
    Woman undergoing allergy patch test with mature doctor.
    Woman sitting on sofa and looking down at pregnancy test. — Stock Photo
    Woman sitting on sofa and looking down at pregnancy test.
    Scientists in clean suits researching coronavirus vaccine — Stock Photo
    Scientists in clean suits researching coronavirus vaccine
    Female researcher preparing multi-well sample tray of blood for analysis. — Stock Photo
    Female researcher preparing multi-well sample tray of blood for analysis.