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    Hand of technician holding hepatitis sample for testing in laboratory. — Stock Photo
    Hand of technician holding hepatitis sample for testing in laboratory.
    Cropped unrecognizable female doctor in blue glove using ultrasound scanner while examining cheerful pregnant woman and looking at computer screen in hospital — Stock Photo
    Cropped unrecognizable female doctor in blue glove using ultrasound scanner while examining cheerful pregnant woman and looking at computer screen in hospital
    Sliced radish in test tube, studio shot. — Stock Photo
    Sliced radish in test tube, studio shot.
    Colorful Eppendorf tubes in rack on white background. — Stock Photo
    Colorful Eppendorf tubes in rack on white background.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Pregnancy test showing positive result on table. — Stock Photo
    Pregnancy test showing positive result on table.
    Chemist in protective glasses holding sample in pharmaceutical laboratory. — Stock Photo
    Chemist in protective glasses holding sample in pharmaceutical laboratory.
    Close-up of pipetting colorful liquids into test tubes. — Stock Photo
    Close-up of pipetting colorful liquids into test tubes.
    Preschooler boy undergoing logic test with numbers for developmental psychology test in female psychologist office. — Stock Photo
    Preschooler boy undergoing logic test with numbers for developmental psychology test in female psychologist office.
    Technician holding blood, urine and chemistry samples for clinical testing in gloved hand. — Stock Photo
    Technician holding blood, urine and chemistry samples for clinical testing in gloved hand.
    Unrecognizable serious black male scientist in medical robe and mask demonstrating blood sample in test tube while having video call on laptop in clinic — Stock Photo
    Unrecognizable serious black male scientist in medical robe and mask demonstrating blood sample in test tube while having video call on laptop in clinic
    Female agronomist taking soil fertility analysis sample. — Stock Photo
    Female agronomist taking soil fertility analysis sample.
    Young female medical worker using microscope at workplace on blurred background — Stock Photo
    Young female medical worker using microscope at workplace on blurred background
    Laboratory technician holding test tubes in blood bank — Stock Photo
    Laboratory technician holding test tubes in blood bank
    Close-up of bacteria colonies growing in Petri dish. — Stock Photo
    Close-up of bacteria colonies growing in Petri dish.
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Racks of test tubes with red lids on blue table. — Stock Photo
    Racks of test tubes with red lids on blue table.
    Pills in Petri dishes on gray background. — Stock Photo
    Pills in Petri dishes on gray background.
    Smiling female chemistry teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Smiling female chemistry teacher and students conducting scientific experiment in laboratory classroom
    Doctors using x-ray machine to examining patient in hospital — Stock Photo
    Doctors using x-ray machine to examining patient in hospital
    Agronomy technician pouring water in soil samples. — Stock Photo
    Agronomy technician pouring water in soil samples.
    Doctor using a lance to take a finger prick blood sample from a patient. — Stock Photo
    Doctor using a lance to take a finger prick blood sample from a patient.
    DNA strand in test tube, digital illustration. — Stock Photo
    DNA strand in test tube, digital illustration.
    Female doctor putting headphones on boy having hearing test. — Stock Photo
    Female doctor putting headphones on boy having hearing test.
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Robotic engineers testing robotic machine in warehouse — Stock Photo
    Robotic engineers testing robotic machine in warehouse
    Female researcher studying DNA autoradiogram. — Stock Photo
    Female researcher studying DNA autoradiogram.
    Elder man checking his arterial pressure with machine — Stock Photo
    Elder man checking his arterial pressure with machine
    Laboratory assistant holding test tube, close-up. — Stock Photo
    Laboratory assistant holding test tube, close-up.
    Police evidence including finger print, DNA swab and results. — Stock Photo
    Police evidence including finger print, DNA swab and results.
    Rack of food samples in test tubes. — Stock Photo
    Rack of food samples in test tubes.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Female researcher preparing multi-well sample tray of blood for analysis. — Stock Photo
    Female researcher preparing multi-well sample tray of blood for analysis.
    Scientist in clean suit researching coronavirus in laboratory — Stock Photo
    Scientist in clean suit researching coronavirus in laboratory
    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.
    Preteen girl breathing into peak flow meter and looking at nurse. — Stock Photo
    Preteen girl breathing into peak flow meter and looking at nurse.
    Biologist with protective gloves performing a coronavirus test on a person in a car — Stock Photo
    Biologist with protective gloves performing a coronavirus test on a person in a car
    Senior woman doing a DNA test at home. — Stock Photo
    Senior woman doing a DNA test at home.
    School in Grashoek village — Stock Photo
    School in Grashoek village
    Collage of many KN95 factor protection masks on a red background overhead view — Stock Photo
    Collage of many KN95 factor protection masks on a red background overhead view
    Laboratory technician analyzing blood samples in blood bank — Stock Photo
    Laboratory technician analyzing blood samples in blood bank
    Female scientist holding tube with blood sample. — Stock Photo
    Female scientist holding tube with blood sample.
    Monitoring respiratory illness with digital spirometer. — Stock Photo
    Monitoring respiratory illness with digital spirometer.
    Genetic research, conceptual illustration. DNA (deoxyribonucleic acid) molecule in blood sample tubes in a centrifuge. — Stock Photo
    Genetic research, conceptual illustration. DNA (deoxyribonucleic acid) molecule in blood sample tubes in a centrifuge.
    Scientists discussing over clipboard in lab — Stock Photo
    Scientists discussing over clipboard in lab
    Cut lavender flowers — Stock Photo
    Cut lavender flowers
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Crop of anonymous male chemist putting sample tubes in centrifugal machine in cannabis lab — Stock Photo
    Crop of anonymous male chemist putting sample tubes in centrifugal machine in cannabis lab
    Adult employee checking food quality in canteen — Stock Photo
    Adult employee checking food quality in canteen
    Scientist using pipette and scales at laboratory — Stock Photo
    Scientist using pipette and scales at laboratory
    Person hand holding DNA swab and test results for forensic evidence. — Stock Photo
    Person hand holding DNA swab and test results for forensic evidence.
    Scientist holding tomato piece with tweezers for food research. — Stock Photo
    Scientist holding tomato piece with tweezers for food research.
    Crop unrecognizable medic with needle and syringe collecting blood from vein of patient in hospital — Stock Photo
    Crop unrecognizable medic with needle and syringe collecting blood from vein of patient in hospital
    Scientist putting on protective mask in laboratory. — Stock Photo
    Scientist putting on protective mask in laboratory.
    Barcodes on test tubes with blood samples. — Stock Photo
    Barcodes on test tubes with blood samples.
    Centrifuging blood samples with motion blur, digital illustration. — Stock Photo
    Centrifuging blood samples with motion blur, digital illustration.
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory
    Urine sample container on toilet in bathroom, studio shot. — Stock Photo
    Urine sample container on toilet in bathroom, studio shot.
    Athlete riding an exercise bike — Stock Photo
    Athlete riding an exercise bike
    Female scientist holding micro tube with sample in ancient DNA laboratory. — Stock Photo
    Female scientist holding micro tube with sample in ancient DNA laboratory.