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    Female scientist holding tube with blood sample. — Stock Photo
    Female scientist holding tube with blood sample.
    Hand of technician holding hepatitis sample for testing in laboratory. — Stock Photo
    Hand of technician holding hepatitis sample for testing in laboratory.
    Technician holding urine sample for testing in laboratory. — Stock Photo
    Technician holding urine sample for testing in laboratory.
    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    Female scientist using pipette for dropping liquid into eppendorf tubes. — Stock Photo
    Female scientist using pipette for dropping liquid into eppendorf tubes.
    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
    Pulse oximeter, blood oxygen saturation monitor. — Stock Photo
    Pulse oximeter, blood oxygen saturation monitor.
    Hand holding a multiwell tray containing blood samples. — Stock Photo
    Hand holding a multiwell tray containing blood samples.
    Medium tray with cells and DNA autoradiogram for scientific research. — Stock Photo
    Medium tray with cells and DNA autoradiogram for scientific research.
    Podiatrist making procedure with patient — Stock Photo
    Podiatrist making procedure with patient
    Collage of masks for protection factor KN95 on a blue background zenith view — Stock Photo
    Collage of masks for protection factor KN95 on a blue background zenith view
    Bacterial colonies on agar plate. — Stock Photo
    Bacterial colonies on agar plate.
    Monitoring respiratory illness with digital spirometer. — Stock Photo
    Monitoring respiratory illness with digital spirometer.
    Senior woman doing a DNA test at home. — Stock Photo
    Senior woman doing a DNA test at home.
    Radiographer comforting patient before computed tomography (CT) scan. — Stock Photo
    Radiographer comforting patient before computed tomography (CT) scan.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Blood samples with DNA molecule in centrifuge, genetic research conceptual digital illustration. — Stock Photo
    Blood samples with DNA molecule in centrifuge, genetic research conceptual digital illustration.
    Cell-based testing kit in bioengineering laboratory. — Stock Photo
    Cell-based testing kit in bioengineering laboratory.
    Quartz cuvettes containing red liquid. — Stock Photo
    Quartz cuvettes containing red liquid.
    Close-up of male scientist pipetting into test tubes. — Stock Photo
    Close-up of male scientist pipetting into test tubes.
    Pipette and petri dishes for blood testing. — Stock Photo
    Pipette and petri dishes for blood testing.
    Petri dishes for DNA sequencing, close-up. — Stock Photo
    Petri dishes for DNA sequencing, close-up.
    Scientist hand sampling water in test tube for quality testing. — Stock Photo
    Scientist hand sampling water in test tube for quality testing.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Organ-on-a-chip. This is a microfluidic device that simulates biological organs. — Stock Photo
    Organ-on-a-chip. This is a microfluidic device that simulates biological organs.
    Boy having hearing test in female audiologist office. — Stock Photo
    Boy having hearing test in female audiologist office.
    Close-up of test tube in rack at blood bank — Stock Photo
    Close-up of test tube in rack at blood bank
    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
    Agronomy technician pouring water in soil samples. — Stock Photo
    Agronomy technician pouring water in soil samples.
    Doctor using a glucometer to take a blood glucose reading from a patient. — Stock Photo
    Doctor using a glucometer to take a blood glucose reading from a patient.
    Scientist preparing samples in microcentrifuge tubes for chemical analysis. — Stock Photo
    Scientist preparing samples in microcentrifuge tubes for chemical analysis.
    Seedlings growing in test tubes, conceptual image of plant research and genetic engineering. — Stock Photo
    Seedlings growing in test tubes, conceptual image of plant research and genetic engineering.
    Refrigerated centrifuge machine with test tube in blood bank — Stock Photo
    Refrigerated centrifuge machine with test tube in blood bank
    Hands of an unrecognizable female doctor holding a coronavirus vaccine vial — Stock Photo
    Hands of an unrecognizable female doctor holding a coronavirus vaccine vial
    Radiographers taking computed tomography scan of patient. — Stock Photo
    Radiographers taking computed tomography scan of patient.
    Scientist selecting human blood sample in laboratory. — Stock Photo
    Scientist selecting human blood sample in laboratory.
    Chemist in protective glasses holding sample in pharmaceutical laboratory. — Stock Photo
    Chemist in protective glasses holding sample in pharmaceutical laboratory.
    Close-up of tube of patient in intensive care ward. — Stock Photo
    Close-up of tube of patient in intensive care ward.
    Crop unrecognizable physical therapist in sterile gloves inserting needle electrode into back skin of woman in hospital — Stock Photo
    Crop unrecognizable physical therapist in sterile gloves inserting needle electrode into back skin of woman in hospital
    Cervical screening test equipment on white background. — Stock Photo
    Cervical screening test equipment on white background.
    Laboratory technicians interacting with each other in blood bank — Stock Photo
    Laboratory technicians interacting with each other in blood bank
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining cheerful pregnant woman in hospital — Stock Photo
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining cheerful pregnant woman in hospital
    Optometrist adjusting the retinograph during study of the eyesight of a black woman — Stock Photo
    Optometrist adjusting the retinograph during study of the eyesight of a black woman
    Empty and sterile phials in red plastic box. — Stock Photo
    Empty and sterile phials in red plastic box.
    Kids smelling scents at interactive exhibit in science center — Stock Photo
    Kids smelling scents at interactive exhibit in science center
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    DNA home test kit. — Stock Photo
    DNA home test kit.
    White mask with reusable KN95 protection index for virus protection on light blue background — Stock Photo
    White mask with reusable KN95 protection index for virus protection on light blue background
    Close-up of examination of soil samples in agrochemical laboratory. — Stock Photo
    Close-up of examination of soil samples in agrochemical laboratory.
    Eye examination. Woman wearing trial frames during an eye examination. — Stock Photo
    Eye examination. Woman wearing trial frames during an eye examination.
    Senior woman using spirometer, measuring lung capacity and peak expiratory force. — Stock Photo
    Senior woman using spirometer, measuring lung capacity and peak expiratory force.
    Test tubes rack with urine samples for analysis, studio shot. — Stock Photo
    Test tubes rack with urine samples for analysis, studio shot.
    Doctor checking grip strength for patient — Stock Photo
    Doctor checking grip strength for patient
    Back view of unrecognizable African male medics in protective uniforms taking PCR test sample from anonymous travelers in red cabins in countryside — Stock Photo
    Back view of unrecognizable African male medics in protective uniforms taking PCR test sample from anonymous travelers in red cabins in countryside
    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Close-up of pipetting sample for biological research. — Stock Photo
    Close-up of pipetting sample for biological research.
    Female scientist holding blood samples in test tubes. — Stock Photo
    Female scientist holding blood samples in test tubes.
    Laboratory technician checking invoices in blood bank — Stock Photo
    Laboratory technician checking invoices in blood bank
    DNA home test kit. — Stock Photo
    DNA home test kit.