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    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.
    Caucasian female doctor wearing face mask taking swab test from female patient at home. medical and healthcare services home visiting during coronavirus covid 19 pandemic. — Stock Photo
    Caucasian female doctor wearing face mask taking swab test from female patient at home. medical and healthcare services home visiting during coronavirus covid 19 pandemic.
    Scientist viewing results of genetic test on digital tablet. — Stock Photo
    Scientist viewing results of genetic test on digital tablet.
    Close-up of scientist hand holding test tube with fluorescent chemical fluid. — Stock Photo
    Close-up of scientist hand holding test tube with fluorescent chemical fluid.
    Optometrist adjusting the optometry equipment during study of the eyesight of a black woman — Stock Photo
    Optometrist adjusting the optometry equipment during study of the eyesight of a black woman
    Still life on the theme of protective masks against coronavirus in a trash can — Stock Photo
    Still life on the theme of protective masks against coronavirus in a trash can
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp.
    Close-up of female scientist using pipette in laboratory — Stock Photo
    Close-up of female scientist using pipette in laboratory
    Teacher supervising high school students taking exam at desks — Stock Photo
    Teacher supervising high school students taking exam at desks
    Hands of physical therapist performing skinfold test to measuring teenage boy body fat. — Stock Photo
    Hands of physical therapist performing skinfold test to measuring teenage boy body fat.
    Podiatrist making procedure with patient — Stock Photo
    Podiatrist making procedure with patient
    Close-up of pipetting sample for biological research. — Stock Photo
    Close-up of pipetting sample for biological research.
    Senior woman using spirometer, measuring lung capacity and peak expiratory force. — Stock Photo
    Senior woman using spirometer, measuring lung capacity and peak expiratory force.
    Colorful fruits and vegetables in test tubes, studio shot. — Stock Photo
    Colorful fruits and vegetables in test tubes, studio shot.
    Close-up view of plant seedling in test tube. — Stock Photo
    Close-up view of plant seedling in test tube.
    Scientist holding samples in multi well plate during experiment in laboratory. — Stock Photo
    Scientist holding samples in multi well plate during experiment in laboratory.
    Researcher in white costume holding bottle in science lab. — Stock Photo
    Researcher in white costume holding bottle in science lab.
    Doctor holding digital tablet and patient lying on x ray machine in hospital — Stock Photo
    Doctor holding digital tablet and patient lying on x ray machine in hospital
    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
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Optician testing a girl's eyes with optometry devices — Stock Photo
    Optician testing a girl's eyes with optometry devices
    Scientist hand sampling water in flask for quality testing. — Stock Photo
    Scientist hand sampling water in flask for quality testing.
    Female doctor performing allergy skin prick test on little boy arm. — Stock Photo
    Female doctor performing allergy skin prick test on little boy arm.
    Stacked agar plates with microbiological cultures on plain background. — Stock Photo
    Stacked agar plates with microbiological cultures on plain background.
    Close-up of pipetting liquid into test tubes — Stock Photo
    Close-up of pipetting liquid into test tubes
    Green illumination of centrifuge with test tubes, biological research digital illustration. — Stock Photo
    Green illumination of centrifuge with test tubes, biological research digital illustration.
    Hand of doctor using medical tonometer in front of blurred x-ray image — Stock Photo
    Hand of doctor using medical tonometer in front of blurred x-ray image
    Female patient going through x-ray test in hospital — Stock Photo
    Female patient going through x-ray test in hospital
    Portrait of smiling female teacher wearing protective eyewear, standing behind desk with microscope and test tubes in rack, students in background — Stock Photo
    Portrait of smiling female teacher wearing protective eyewear, standing behind desk with microscope and test tubes in rack, students in background
    Woman undergoing ophthalmology visual field testing with A-scan ultrasound biometry. — Stock Photo
    Woman undergoing ophthalmology visual field testing with A-scan ultrasound biometry.
    Woman in a black swimsuit — Stock Photo
    Woman in a black swimsuit
    Cropped unrecognizable expert person in lab coat gloves examining samples through powerful microscope lenses while working in modern equipped laboratory — Stock Photo
    Cropped unrecognizable expert person in lab coat gloves examining samples through powerful microscope lenses while working in modern equipped laboratory
    Seedlings growing in laboratory test tubes, conceptual image of plant research and genetic engineering. — Stock Photo
    Seedlings growing in laboratory test tubes, conceptual image of plant research and genetic engineering.
    Petri dish with bacteria — Stock Photo
    Petri dish with bacteria
    Scientist in costume posing in laboratory — Stock Photo
    Scientist in costume posing in laboratory
    Monitoring respiratory illness with digital spirometer. — Stock Photo
    Monitoring respiratory illness with digital spirometer.
    Attentive university student doing a chemical experiment in laboratory — Stock Photo
    Attentive university student doing a chemical experiment in laboratory
    Woman checking her insulin levels before eating a cake — Stock Photo
    Woman checking her insulin levels before eating a cake
    Blue single-use mask for virus protection on yellow background — Stock Photo
    Blue single-use mask for virus protection on yellow background
    Glass phial with blood sample. — Stock Photo
    Glass phial with blood sample.
    College students taking test at desks in classroom — Stock Photo
    College students taking test at desks in classroom
    Close-up of test tube in rack at blood bank — Stock Photo
    Close-up of test tube in rack at blood bank
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining cheerful pregnant woman and looking at computer screen in hospital — Stock Photo
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining cheerful pregnant woman and looking at computer screen in hospital
    Optometry devices closeup view — Stock Photo
    Optometry devices closeup view
    Centrifuging blood samples in barcoded test tubes, digital illustration. — Stock Photo
    Centrifuging blood samples in barcoded test tubes, digital illustration.
    Close up male scientist with test tube studying coronavirus vaccine — Stock Photo
    Close up male scientist with test tube studying coronavirus vaccine
    Lab chemist handling water sample — Stock Photo
    Lab chemist handling water sample
    Laboratory with scientific equipment to test and analyse products, drinks industry, Tasting and health and safety. — Stock Photo
    Laboratory with scientific equipment to test and analyse products, drinks industry, Tasting and health and safety.
    Teacher watching curious students playing with beakers at interactive exhibit in science center — Stock Photo
    Teacher watching curious students playing with beakers at interactive exhibit in science center
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Girl student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student using microscope, conducting scientific experiment in laboratory classroom
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Scientific or medical samples on glass table — Stock Photo
    Scientific or medical samples on glass table
    Laboratory technicians analyzing blood sample in blood bank — Stock Photo
    Laboratory technicians analyzing blood sample in blood bank
    African American male doctor in medical glove demonstrating test tube with blood sample on white background — Stock Photo
    African American male doctor in medical glove demonstrating test tube with blood sample on white background
    Agronomist opening soil sample bag in field. — Stock Photo
    Agronomist opening soil sample bag in field.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Cropped unrecognizable doctor's hand showing a positive blood test of Coronavirus against a pink background — Stock Photo
    Cropped unrecognizable doctor's hand showing a positive blood test of Coronavirus against a pink background
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.