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    African american senior male doctor performing nasal swab test on african american man at home. medical testing for prevention of coronavirus outbreak concept — Stock Photo
    African american senior male doctor performing nasal swab test on african american man at home. medical testing for prevention of coronavirus outbreak concept
    Optometrist using an ophthalmoscope during study of the eyesight of a black woman — Stock Photo
    Optometrist using an ophthalmoscope during study of the eyesight of a black woman
    Scientist viewing sample on glass slide before light microscope. — Stock Photo
    Scientist viewing sample on glass slide before light microscope.
    Students conducting scientific experiment in laboratory classroom — Stock Photo
    Students conducting scientific experiment in laboratory classroom
    Doctors hands making a research in laboratory — Stock Photo
    Doctors hands making a research in laboratory
    Close-up of drop of red liquid pipetted into multi-well sample tray. — Stock Photo
    Close-up of drop of red liquid pipetted into multi-well sample tray.
    Coronavirus negative and positive blood test near vaccine flask and syringe on pink background — Stock Photo
    Coronavirus negative and positive blood test near vaccine flask and syringe on pink background
    Close-up of human blood and various hematology samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various hematology samples in test tubes while screening in medical lab.
    Chemist holding vial in pharmaceutical laboratory. — Stock Photo
    Chemist holding vial in pharmaceutical laboratory.
    Collage of some white masks for protection factor KN95 on red background zenith view — Stock Photo
    Collage of some white masks for protection factor KN95 on red background zenith view
    Scientist experimenting with cultures in petri dishes with biohazard warning in microbiology lab. — Stock Photo
    Scientist experimenting with cultures in petri dishes with biohazard warning in microbiology lab.
    DNA swab on genetic test results. — Stock Photo
    DNA swab on genetic test results.
    Close-up of scientist experimenting a test tube — Stock Photo
    Close-up of scientist experimenting a test tube
    Crop medic applying electrodes on chest of unrecognizable male patient in mask for ECG test — Stock Photo
    Crop medic applying electrodes on chest of unrecognizable male patient in mask for ECG test
    Female scientist taking notes in soil testing laboratory. — Stock Photo
    Female scientist taking notes in soil testing laboratory.
    Cell-based testing kit in bioengineering laboratory. — Stock Photo
    Cell-based testing kit in bioengineering laboratory.
    Woman's hand holding a positive pregnancy test — Stock Photo
    Woman's hand holding a positive pregnancy test
    Forensic scientist putting swab into sample tube. — Stock Photo
    Forensic scientist putting swab into sample tube.
    Empty and sterile phials in red plastic box. — Stock Photo
    Empty and sterile phials in red plastic box.
    Female scientist pipetting sample into microcentrifuge tubes ready for automated analysis while biotechnology research. — Stock Photo
    Female scientist pipetting sample into microcentrifuge tubes ready for automated analysis while biotechnology research.
    Urine samples for analysis and test strip, studio shot. — Stock Photo
    Urine samples for analysis and test strip, studio shot.
    College students taking test at desks in classroom — Stock Photo
    College students taking test at desks in classroom
    Scientist holding tomato piece with tweezers for food research. — Stock Photo
    Scientist holding tomato piece with tweezers for food research.
    Doctor doing ultrasound for patient at hospital — Stock Photo
    Doctor doing ultrasound for patient at hospital
    Podiatrist examining and treating patient — Stock Photo
    Podiatrist examining and treating patient
    Assistant working in lab with pink liquid — Stock Photo
    Assistant working in lab with pink liquid
    Radiographers taking computed tomography scan of patient. — Stock Photo
    Radiographers taking computed tomography scan of patient.
    Professor watching college students taking test in classroom — Stock Photo
    Professor watching college students taking test in classroom
    Vacutainer blood collection tubes, full frame. — Stock Photo
    Vacutainer blood collection tubes, full frame.
    Pipette adding sample to petri dish during experiment in laboratory. — Stock Photo
    Pipette adding sample to petri dish during experiment in laboratory.
    Chemist hand picking samples stored in crimp neck vials in pharmaceutical laboratory. — Stock Photo
    Chemist hand picking samples stored in crimp neck vials in pharmaceutical laboratory.
    Female medical specialist in protective uniform, latex gloves and face mask doing mouth swab test with cotton bud on African American female patient in clinic during coronavirus outbreak — Stock Photo
    Female medical specialist in protective uniform, latex gloves and face mask doing mouth swab test with cotton bud on African American female patient in clinic during coronavirus outbreak
    Teenage girl holding clipboard while practicing experiment in lab — Stock Photo
    Teenage girl holding clipboard while practicing experiment in lab
    Close-up of scientist hand holding Petri dish in pathology laboratory. — Stock Photo
    Close-up of scientist hand holding Petri dish in pathology laboratory.
    Crop medic analyzing data on digital monitor during cardiac stress test of male patient walking on treadmill — Stock Photo
    Crop medic analyzing data on digital monitor during cardiac stress test of male patient walking on treadmill
    Close-up shot of doctor examining belly of pregnant woman with ultrasound — Stock Photo
    Close-up shot of doctor examining belly of pregnant woman with ultrasound
    Optometrist examining patient eyes with messbrille in clinic — Stock Photo
    Optometrist examining patient eyes with messbrille in clinic
    Different chemicals in lab — Stock Photo
    Different chemicals in lab
    Plant seedling in soil in Petri dish and tweezers in laboratory. — Stock Photo
    Plant seedling in soil in Petri dish and tweezers in laboratory.
    Close-up of scientist pipetting liquid into multiwell tray. — Stock Photo
    Close-up of scientist pipetting liquid into multiwell tray.
    Female hands testing blood sample — Stock Photo
    Female hands testing blood sample
    Top view of bread and pasta with celiac test equipment, studio shot. — Stock Photo
    Top view of bread and pasta with celiac test equipment, studio shot.
    Crop medic applying electrodes on chest of unrecognizable male patient in mask for ECG test — Stock Photo
    Crop medic applying electrodes on chest of unrecognizable male patient in mask for ECG test
    Senior woman doing a mailed DNA test at home. — Stock Photo
    Senior woman doing a mailed DNA test at home.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Male scientists experimenting together in laboratory — Stock Photo
    Male scientists experimenting together in laboratory
    Close-up of nurse making blood glucose test to senior woman. — Stock Photo
    Close-up of nurse making blood glucose test to senior woman.
    Bacterial colonies on agar plate. — Stock Photo
    Bacterial colonies on agar plate.
    Cropped view of scientist pipetting samples into microcentrifuge tubes. — Stock Photo
    Cropped view of scientist pipetting samples into microcentrifuge tubes.
    University student doing experiment on microscope in laboratory at college — Stock Photo
    University student doing experiment on microscope in laboratory at college
    Little boy undergoing logic test with numbers for developmental psychology test in female psychologist office. — Stock Photo
    Little boy undergoing logic test with numbers for developmental psychology test in female psychologist office.
    Female agronomist taking notes in field of soil. — Stock Photo
    Female agronomist taking notes in field of soil.
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Unrecognizable man at Surfs up ledge, Bugaboos, British Columbia, Canada. — Stock Photo
    Unrecognizable man at Surfs up ledge, Bugaboos, British Columbia, Canada.
    School in Grashoek village — Stock Photo
    School in Grashoek village
    Cropped shot of female doctor holding medical breath mask — Stock Photo
    Cropped shot of female doctor holding medical breath mask
    Senior woman undergoing an x-ray test in hospital — Stock Photo
    Senior woman undergoing an x-ray test in hospital
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing. — Stock Photo
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing.
    Scientist pipetting samples into multi well plate for automated testing in laboratory. — Stock Photo
    Scientist pipetting samples into multi well plate for automated testing in laboratory.
    Optometrist specialist hand picking up lenses from case with several equipment — Stock Photo
    Optometrist specialist hand picking up lenses from case with several equipment