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    Close-up of scientist holding blood testing microtubes. — Stock Photo
    Close-up of scientist holding blood testing microtubes.
    Technician holding urine sample for testing in laboratory. — Stock Photo
    Technician holding urine sample for testing in laboratory.
    Senior woman doing a mailed DNA test at home. — Stock Photo
    Senior woman doing a mailed DNA test at home.
    Test tube with blue chemical fluid placed in cold water in glass jar in modern equipped laboratory — Stock Photo
    Test tube with blue chemical fluid placed in cold water in glass jar in modern equipped laboratory
    Ophthalmologist examining a woman's eyes with an indirect ophthalmoscope — Stock Photo
    Ophthalmologist examining a woman's eyes with an indirect ophthalmoscope
    Ophthalmologist examining boy eyes with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining boy eyes with slit lamp in clinic.
    Close up scientist's hand pouring reagent in flasks while experiment — Stock Photo
    Close up scientist's hand pouring reagent in flasks while experiment
    Plant seedling in soil in Petri dish under light microscope. — Stock Photo
    Plant seedling in soil in Petri dish under light microscope.
    Computer programmers testing virtual reality simulators in office — Stock Photo
    Computer programmers testing virtual reality simulators in office
    Microbiological research, illustration. Multi-channel pipette and multi-well plates in microbiology lab — Stock Photo
    Microbiological research, illustration. Multi-channel pipette and multi-well plates in microbiology lab
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory
    Close-up of female hand using pen-like lancing device for prick test. — Stock Photo
    Close-up of female hand using pen-like lancing device for prick test.
    Close-up of optometrist examining patient eyes with eye test equipment in clinic — Stock Photo
    Close-up of optometrist examining patient eyes with eye test equipment in clinic
    Close-up of pipetting colorful liquids into test tubes. — Stock Photo
    Close-up of pipetting colorful liquids into test tubes.
    Concentrated young black male doctor in medical uniform and mask showing test tube with blood sample to attentive boy patient during video call — Stock Photo
    Concentrated young black male doctor in medical uniform and mask showing test tube with blood sample to attentive boy patient during video call
    Female medical specialist in protective uniform, latex gloves and face mask doing nasal 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 nasal swab test with cotton bud on African American female patient in clinic during coronavirus outbreak
    Close-up of empty and sterile phials in red plastic box. — Stock Photo
    Close-up of empty and sterile phials in red plastic box.
    White mask with reusable KN95 protection index for virus protection on yellow background — Stock Photo
    White mask with reusable KN95 protection index for virus protection on yellow background
    Teacher and students during chemistry lesson, wearing protective eyewear and looking at test tubes — Stock Photo
    Teacher and students during chemistry lesson, wearing protective eyewear and looking at test tubes
    Researcher in white costume looking at camera and standing with arms crossed in laboratory. — Stock Photo
    Researcher in white costume looking at camera and standing with arms crossed in laboratory.
    Female scientist measuring PH of soil samples with litmus strips. — Stock Photo
    Female scientist measuring PH of soil samples with litmus strips.
    Monitoring respiratory illness with digital spirometer. — Stock Photo
    Monitoring respiratory illness with digital spirometer.
    Ophthalmologist helping boy wearing glasses while eye examination in clinic. — Stock Photo
    Ophthalmologist helping boy wearing glasses while eye examination in clinic.
    Close-up of optometrist examining patient eyes with slit lamp in clinic — Stock Photo
    Close-up of optometrist examining patient eyes with slit lamp in clinic
    Physician measuring body fat on triceps using calipers test on male athlete. — Stock Photo
    Physician measuring body fat on triceps using calipers test on male athlete.
    Pensive girl student conducting science experiment in classroom laboratory — Stock Photo
    Pensive girl student conducting science experiment in classroom laboratory
    Scientist pipetting sample into micro centrifuge tubes ready for automated analysis. — Stock Photo
    Scientist pipetting sample into micro centrifuge tubes ready for automated analysis.
    Medical testing microscopes and equipment in laboratory. — Stock Photo
    Medical testing microscopes and equipment in laboratory.
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    Close-up of drop of liquid pipetted into glass bottle. — Stock Photo
    Close-up of drop of liquid pipetted into glass bottle.
    Computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses in office
    Various berries in test tubes, studio shot. — Stock Photo
    Various berries in test tubes, studio shot.
    Computer programmers testing virtual reality simulators in office — Stock Photo
    Computer programmers testing virtual reality simulators in office
    Urine sample in tube on surgical tray. — Stock Photo
    Urine sample in tube on surgical tray.
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    A vial of the Coronavirus vaccine and syringe on a table in a clinic — Stock Photo
    A vial of the Coronavirus vaccine and syringe on a table in a clinic
    Scientist preparing samples in microcentrifuge tubes for chemical analysis. — Stock Photo
    Scientist preparing samples in microcentrifuge tubes for chemical analysis.
    Water treatment engineer in treatment room — Stock Photo
    Water treatment engineer in treatment room
    Side view of crop unrecognizable male biologist in uniform studying dried marijuana flower buds on laboratory table between professional equipment — Stock Photo
    Side view of crop unrecognizable male biologist in uniform studying dried marijuana flower buds on laboratory table between professional equipment
    Doctors talking to patient before mri scanning test at hospital — Stock Photo
    Doctors talking to patient before mri scanning test at hospital
    Attentive female scientist experimenting in laboratory — Stock Photo
    Attentive female scientist experimenting in laboratory
    Pipette bottles in tray with allergens. — Stock Photo
    Pipette bottles in tray with allergens.
    Scientists experimenting together in laboratory — Stock Photo
    Scientists experimenting together in laboratory
    Mature doctor testing heart of male athlete on treadmill. — Stock Photo
    Mature doctor testing heart of male athlete on treadmill.
    Ophthalmologist examining female patient with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining female patient with slit lamp in clinic.
    Urine sample for analysis and test strip with chart, studio shot. — Stock Photo
    Urine sample for analysis and test strip with chart, studio shot.
    Close-up of vital signs of patient on monitor in intensive care ward. — Stock Photo
    Close-up of vital signs of patient on monitor in intensive care ward.
    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 researcher analyzing samples with microscope in the laboratory — Stock Photo
    Female researcher analyzing samples with microscope in the laboratory
    Biologist hands with protective gloves holding trowel with soil above samples separated in containers. — Stock Photo
    Biologist hands with protective gloves holding trowel with soil above samples separated in containers.
    Scientists checking a solution in bottle in lab — Stock Photo
    Scientists checking a solution in bottle in lab
    African american male doctor wearing face mask giving covid swab test to boy patient. medicine, health and healthcare services during coronavirus covid 19 pandemic. — Stock Photo
    African american male doctor wearing face mask giving covid swab test to boy patient. medicine, health and healthcare services during coronavirus covid 19 pandemic.
    Close up scientist in rubber gloves placing specimen in centrifuge — Stock Photo
    Close up scientist in rubber gloves placing specimen in centrifuge
    Blood samples in test tubes — Stock Photo
    Blood samples in test tubes
    Female chemist setting up equipment in laboratory. — Stock Photo
    Female chemist setting up equipment in laboratory.
    Human Platelets, computer illustration — Stock Photo
    Human Platelets, computer illustration
    Still life on the theme of protective masks against coronavirus. Alternative fabric mask — Stock Photo
    Still life on the theme of protective masks against coronavirus. Alternative fabric mask
    Test tubes, computer illustration — Stock Photo
    Test tubes, computer illustration
    Close-up of examination of soil samples in agrochemical laboratory. — Stock Photo
    Close-up of examination of soil samples in agrochemical laboratory.
    Light microscope with petri dishes on blue background. — Stock Photo
    Light microscope with petri dishes on blue background.