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    Female scientist holding blood samples in test tubes. — Stock Photo
    Female scientist holding blood samples in test tubes.
    Still life on the theme of protective masks against coronavirus in a trash can. Alternative fabric mask — Stock Photo
    Still life on the theme of protective masks against coronavirus in a trash can. Alternative fabric mask
    Female scientist holding micro tube with sample in ancient DNA laboratory for ancient DNA analysis. — Stock Photo
    Female scientist holding micro tube with sample in ancient DNA laboratory for ancient DNA analysis.
    Schoolboy doing chemistry experiment in school laboratory. — Stock Photo
    Schoolboy doing chemistry experiment in school laboratory.
    African American male in uniform with stethoscope showing blurred vaccine in hand in hospital — Stock Photo
    African American male in uniform with stethoscope showing blurred vaccine in hand in hospital
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Male medic in mask adjusting headphones of senior man while preparing for hearing check during audiological diagnostic — Stock Photo
    Male medic in mask adjusting headphones of senior man while preparing for hearing check during audiological diagnostic
    Close up of rack of test tubes with solution in lab — Stock Photo
    Close up of rack of test tubes with solution in lab
    Side view of female scientist doing experiment in lab — Stock Photo
    Side view of female scientist doing experiment in lab
    Computer programmers testing virtual reality simulator glasses at computer in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses at computer in office
    Petri dish with bacteria — Stock Photo
    Petri dish with bacteria
    Scientist taking test tube from freezer in laboratory — Stock Photo
    Scientist taking test tube from freezer in laboratory
    Close-up of beaker, test tube rack and clipboard on table — Stock Photo
    Close-up of beaker, test tube rack and clipboard on table
    Young female doctor standing in front of healthcare facility, wearing protective face mask and PPE equipment, holding medical patient clipboard, COVID-19 pandemic crisis — Stock Photo
    Young female doctor standing in front of healthcare facility, wearing protective face mask and PPE equipment, holding medical patient clipboard, COVID-19 pandemic crisis
    Scientist viewing multi well plate containing samples for testing in laboratory. — Stock Photo
    Scientist viewing multi well plate containing samples for testing in laboratory.
    Mid section of doctor putting blanket on pregnant woman in hospital — Stock Photo
    Mid section of doctor putting blanket on pregnant woman in hospital
    Racks of samples in test tubes and Petri dishes on laboratory table. — Stock Photo
    Racks of samples in test tubes and Petri dishes on laboratory table.
    Top view of mosaic or pattern of positive blood tests over blue background. — Stock Photo
    Top view of mosaic or pattern of positive blood tests over blue background.
    Female scientist working with test tube. — Stock Photo
    Female scientist working with test tube.
    Woman in a black swimsuit — Stock Photo
    Woman in a black swimsuit
    A little girl in safety goggles measures liquid into a test tube — Stock Photo
    A little girl in safety goggles measures liquid into a test tube
    Urine sample container on toilet in bathroom, studio shot. — Stock Photo
    Urine sample container on toilet in bathroom, studio shot.
    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    Coworkers checking results while testing food quality in canteen kitchen — Stock Photo
    Coworkers checking results while testing food quality in canteen kitchen
    College students taking test at desks in classroom — Stock Photo
    College students taking test at desks in classroom
    Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom — Stock Photo
    Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom
    Beans and pulses in test tubes. — Stock Photo
    Beans and pulses in test tubes.
    Laboratory technician using laptop in blood bank — Stock Photo
    Laboratory technician using laptop in blood bank
    Human Platelets, computer illustration — Stock Photo
    Human Platelets, computer illustration
    Hands holding roast turkey — Stock Photo
    Hands holding roast turkey
    Senior woman undergoing an x-ray test in hospital — Stock Photo
    Senior woman undergoing an x-ray test in hospital
    Female biologist in white coat pouring water into test tube with dissolved samples of soil in laboratory. — Stock Photo
    Female biologist in white coat pouring water into test tube with dissolved samples of soil in laboratory.
    Scientist hands holding urine sample in container and chart, studio shot. — Stock Photo
    Scientist hands holding urine sample in container and chart, studio shot.
    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.
    Human Platelets, computer illustration — Stock Photo
    Human Platelets, computer illustration
    Urine sample for analysis and test strip with chart, studio shot. — Stock Photo
    Urine sample for analysis and test strip with chart, studio shot.
    Top view of pregnancy test placed on pink background — Stock Photo
    Top view of pregnancy test placed on pink background
    Laboratory technician using refrigerated centrifuge machine in blood bank — Stock Photo
    Laboratory technician using refrigerated centrifuge machine in blood bank
    Side view focused male expert in lab coat gloves and face mask examining samples through powerful microscope lenses while working in modern equipped laboratory — Stock Photo
    Side view focused male expert in lab coat gloves and face mask examining samples through powerful microscope lenses while working in modern equipped laboratory
    Doctor using ultrasound diagnostic equipment — Stock Photo
    Doctor using ultrasound diagnostic equipment
    Male scientists experimenting together in laboratory — Stock Photo
    Male scientists experimenting together in laboratory
    Scientist hand holding test tube containing solid fluorescent chemical glowing green. — Stock Photo
    Scientist hand holding test tube containing solid fluorescent chemical glowing green.
    Teenage girl experimenting chemical solution in laboratory — Stock Photo
    Teenage girl experimenting chemical solution in laboratory
    Cropped image of woman using tensiometer to measure blood pressure while sitting at table at home — Stock Photo
    Cropped image of woman using tensiometer to measure blood pressure while sitting at table at home
    Young asian college students studying together — Stock Photo
    Young asian college students studying together
    Boy coloring shapes with colorful pens for developmental psychology test in female doctor office. — Stock Photo
    Boy coloring shapes with colorful pens for developmental psychology test in female doctor office.
    Laboratory technician scanning bar code of test tube rack in blood bank — Stock Photo
    Laboratory technician scanning bar code of test tube rack in blood bank
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Microbiologist working with petri dish and test tubes in laboratory. — Stock Photo
    Microbiologist working with petri dish and test tubes in laboratory.
    Female patient receiving a ultrasound scan on the stomach in hospital — Stock Photo
    Female patient receiving a ultrasound scan on the stomach in hospital
    Senior woman doing a mailed DNA test at home. — Stock Photo
    Senior woman doing a mailed DNA test at home.
    Female researcher pipetting liquid in laboratory. — Stock Photo
    Female researcher pipetting liquid in laboratory.
    Seedlings growing in laboratory test multiwell, conceptual image of plant research and genetic engineering. — Stock Photo
    Seedlings growing in laboratory test multiwell, conceptual image of plant research and genetic engineering.
    Boy wearing headphones as playing with building blocks while hearing test with female taking notes. — Stock Photo
    Boy wearing headphones as playing with building blocks while hearing test with female taking notes.
    Boy coloring shapes with colorful pens for developmental psychology test in psychologist office. — Stock Photo
    Boy coloring shapes with colorful pens for developmental psychology test in psychologist office.
    Optician testing a girl's eyes with optometry devices — Stock Photo
    Optician testing a girl's eyes with optometry devices
    Angiogram examination in clinic — Stock Photo
    Angiogram examination in clinic
    Optometrist holding lens in hand in clinic. — Stock Photo
    Optometrist holding lens in hand in clinic.
    Medical testing microscopes and equipment in laboratory. — Stock Photo
    Medical testing microscopes and equipment in laboratory.
    Doctor testing patient blood sugar for diabetes in examination room — Stock Photo
    Doctor testing patient blood sugar for diabetes in examination room