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    Close-up of rack of cell cultures in tubes in laboratory. — Stock Photo
    Close-up of rack of cell cultures in tubes in laboratory.
    Cropped view of lab technician carrying cell-based testing kit in bioengineering laboratory. — Stock Photo
    Cropped view of lab technician carrying cell-based testing kit in bioengineering laboratory.
    Liquid in bottles, test tubes and beakers in science laboratory classroom — Stock Photo
    Liquid in bottles, test tubes and beakers in science laboratory classroom
    Scientist putting on protective mask in laboratory — Stock Photo
    Scientist putting on protective mask in laboratory
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Biologist hand with protective glove holding trowel with soil above samples separated in containers. — Stock Photo
    Biologist hand with protective glove holding trowel with soil above samples separated in containers.
    Quartz cuvettes containing red liquid. — Stock Photo
    Quartz cuvettes containing red liquid.
    Close-up of examination of soil samples in agrochemical laboratory. — Stock Photo
    Close-up of examination of soil samples in agrochemical laboratory.
    Hands of scientist in laboratory mixing samples of soil with reagent. — Stock Photo
    Hands of scientist in laboratory mixing samples of soil with reagent.
    Tube with blood sample on metal tray in laboratory, close-up. — Stock Photo
    Tube with blood sample on metal tray in laboratory, close-up.
    Close-up of pipetting sample into row of test tubes during experiment in laboratory. — Stock Photo
    Close-up of pipetting sample into row of test tubes during experiment in laboratory.
    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Close-up of scientist pipetting sample into eppendorf tube during experiment in laboratory. — Stock Photo
    Close-up of scientist pipetting sample into eppendorf tube during experiment in laboratory.
    Group of laboratory test tubes with colored liquids. — Stock Photo
    Group of laboratory test tubes with colored liquids.
    Plant seedling in soil in Petri dish in laboratory. — Stock Photo
    Plant seedling in soil in Petri dish in laboratory.
    Test tubes with urine samples for analysis on white background, studio shot. — Stock Photo
    Test tubes with urine samples for analysis on white background, studio shot.
    Attentive university student doing a chemical experiment in laboratory — Stock Photo
    Attentive university student doing a chemical experiment in laboratory
    Nurse holding a vial of the coronavirus vaccine and a rapid PCR test device — Stock Photo
    Nurse holding a vial of the coronavirus vaccine and a rapid PCR test device
    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.
    Assorted disposable plastic pipette tips and sample tubes. — Stock Photo
    Assorted disposable plastic pipette tips and sample tubes.
    Pipette dripping liquid into test tubes. — Stock Photo
    Pipette dripping liquid into test tubes.
    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
    Attentive laboratory technician working in blood bank — Stock Photo
    Attentive laboratory technician working in blood bank
    Close-up of doctor holding prepared influenza nasal vaccine. — Stock Photo
    Close-up of doctor holding prepared influenza nasal vaccine.
    Centrifuging blood samples in barcoded test tubes, digital illustration. — Stock Photo
    Centrifuging blood samples in barcoded test tubes, digital illustration.
    Person in latex glove holding test tube with ear of wheat — Stock Photo
    Person in latex glove holding test tube with ear of wheat
    Scientist selecting human blood sample in laboratory. — Stock Photo
    Scientist selecting human blood sample in laboratory.
    Lab technician collecting data on sterilization — Stock Photo
    Lab technician collecting data on sterilization
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Scientist pouring chemical solution on conical flask from bottle in lab — Stock Photo
    Scientist pouring chemical solution on conical flask from bottle in lab
    Forensic evidence collection with knife for DNA forensic test. — Stock Photo
    Forensic evidence collection with knife for DNA forensic test.
    Close-up of human blood and various medical samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various medical samples in test tubes while screening in medical lab.
    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
    Tubes for biological test in rack on blue background. — Stock Photo
    Tubes for biological test in rack on blue background.
    African american senior male doctor performing nasal swab test on african american man at home. medical testing for prevention of coronavirus outbreak concept — Stock Photo
    African american senior male doctor performing nasal swab test on african american man at home. medical testing for prevention of coronavirus outbreak concept
    Close-up of laboratory technician holding tube with blood sample in gloved hand. — Stock Photo
    Close-up of laboratory technician holding tube with blood sample in gloved hand.
    Close-up shot of surgeon with binoculars at work — Stock Photo
    Close-up shot of surgeon with binoculars at work
    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
    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.
    Sliced cucumber in test tube, studio shot. — Stock Photo
    Sliced cucumber in test tube, studio shot.
    Collage of many KN95 factor protection masks on a red background overhead view in diagonal distribution — Stock Photo
    Collage of many KN95 factor protection masks on a red background overhead view in diagonal distribution
    Scientist preparing samples in microcentrifuge tubes for chemical analysis. — Stock Photo
    Scientist preparing samples in microcentrifuge tubes for chemical analysis.
    Radiologist recording results of CT scanning. — Stock Photo
    Radiologist recording results of CT scanning.
    Medical worker gloved hands holding test stick in urine sample tube. — Stock Photo
    Medical worker gloved hands holding test stick in urine sample tube.
    Pipette and petri dishes for blood testing. — Stock Photo
    Pipette and petri dishes for blood testing.
    Microbiologist taking bacterial sample on microscope slide. — Stock Photo
    Microbiologist taking bacterial sample on microscope slide.
    Male teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and students conducting scientific experiment in laboratory classroom
    Crop concentrated female scientist in white robe and gloves conducting chemical experiment with substance and syringe while working in modern laboratory — Stock Photo
    Crop concentrated female scientist in white robe and gloves conducting chemical experiment with substance and syringe while working in modern 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.
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Female chemist using equipment in pharmaceutical laboratory. — Stock Photo
    Female chemist using equipment in pharmaceutical laboratory.
    Female scientist in white coat measuring PH of soil sample with litmus strips. — Stock Photo
    Female scientist in white coat measuring PH of soil sample with litmus strips.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Scientist holding test tube with green liquid — Stock Photo
    Scientist holding test tube with green liquid
    Side view of content female veterinarian in uniform with test tube standing at table with microscope in laboratory — Stock Photo
    Side view of content female veterinarian in uniform with test tube standing at table with microscope in laboratory
    Woman biologist in white coat pouring liquid from test tube into labelled containers with soil. — Stock Photo
    Woman biologist in white coat pouring liquid from test tube into labelled containers with soil.
    Mid section of laboratory technicians holding tags in blood bank — Stock Photo
    Mid section of laboratory technicians holding tags in blood bank
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory.
    Close-up of bacteria colonies growing in Petri dish. — Stock Photo
    Close-up of bacteria colonies growing in Petri dish.
    Examining bacterial sample under microscope. — Stock Photo
    Examining bacterial sample under microscope.