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    Close-up of doctor holding prepared influenza nasal vaccine. — Stock Photo
    Close-up of doctor holding prepared influenza nasal vaccine.
    Close-up of pipetting colorful liquids into test tubes. — Stock Photo
    Close-up of pipetting colorful liquids into test tubes.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    Close-up of human blood and various hiv samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various hiv samples in test tubes while screening in medical lab.
    Scientist holding petri dish and syringe. — Stock Photo
    Scientist holding petri dish and syringe.
    Female scientist working with test tube. — Stock Photo
    Female scientist working with test tube.
    Close-up of antibiotic testing in petri dish. — Stock Photo
    Close-up of antibiotic testing in petri dish.
    Doctor preparing HIV test sample for testing in laboratory. — Stock Photo
    Doctor preparing HIV test sample for testing in laboratory.
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Archaeologists analyzing human skull in DNA archaeology lab. — Stock Photo
    Archaeologists analyzing human skull in DNA archaeology lab.
    Team of scientists experimenting together in laboratory — Stock Photo
    Team of scientists experimenting together in laboratory
    Empty test tubes in red rack. — Stock Photo
    Empty test tubes in red rack.
    Phases of chocolate cooking — Stock Photo
    Phases of chocolate cooking
    Scientist using pipette while experiment — Stock Photo
    Scientist using pipette while experiment
    Scientist viewing results of genetic test on digital tablet. — Stock Photo
    Scientist viewing results of genetic test on digital tablet.
    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.
    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Portrait smiling female engineer in protective suit with paperwork in fiber optics research and testing laboratory — Stock Photo
    Portrait smiling female engineer in protective suit with paperwork in fiber optics research and testing laboratory
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    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 scientist opening lid of machine in lab — Stock Photo
    Female scientist opening lid of machine in lab
    Close-up of bar-coded agar plates for biological research. — Stock Photo
    Close-up of bar-coded agar plates for biological research.
    Male optometrist examining eye test equipment — Stock Photo
    Male optometrist examining eye test equipment
    Laboratory technician using refrigerated centrifuge machine in blood bank — Stock Photo
    Laboratory technician using refrigerated centrifuge machine in blood bank
    Young female medical worker using microscope at workplace on blurred background — Stock Photo
    Young female medical worker using microscope at workplace on blurred background
    Female scientist holding micro tube with sample in ancient DNA laboratory. — Stock Photo
    Female scientist holding micro tube with sample in ancient DNA laboratory.
    Urine sample for analysis and test strip with chart, studio shot. — Stock Photo
    Urine sample for analysis and test strip with chart, studio shot.
    Female scientist pipetting liquid into Eppendorf tubes. — Stock Photo
    Female scientist pipetting liquid into Eppendorf tubes.
    Lab technician removing sample vial cap — Stock Photo
    Lab technician removing sample vial cap
    Back view crop male chemist in white robe latex gloves and face mask taking laboratory glassware from shelf while conducting research — Stock Photo
    Back view crop male chemist in white robe latex gloves and face mask taking laboratory glassware from shelf while conducting research
    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
    Crop faceless laboratory worker in protective latex gloves opening door of enclosed biosafety facility while working in modern equipped lab — Stock Photo
    Crop faceless laboratory worker in protective latex gloves opening door of enclosed biosafety facility while working in modern equipped lab
    Laboratory technician scanning bar code of test tube rack in blood bank — Stock Photo
    Laboratory technician scanning bar code of test tube rack in blood bank
    Test tubes with urine samples for analysis, studio shot. — Stock Photo
    Test tubes with urine samples for analysis, studio shot.
    Doctor's hand holding laboratory glass test tube filled with colourful pills. — Stock Photo
    Doctor's hand holding laboratory glass test tube filled with colourful pills.
    Laboratory technicians interacting with each other in blood bank — Stock Photo
    Laboratory technicians interacting with each other in blood bank
    Numbered test tubes with red liquid for biological research. — Stock Photo
    Numbered test tubes with red liquid for biological research.
    Petri dishes with blood agar stacked on blue background. — Stock Photo
    Petri dishes with blood agar stacked on blue background.
    Female scientist pipetting liquid into Eppendorf tubes. — Stock Photo
    Female scientist pipetting liquid into Eppendorf tubes.
    Scientist studying small device in laboratory — Stock Photo
    Scientist studying small device in laboratory
    Chemist hand picking samples stored in crimp neck vials in pharmaceutical laboratory. — Stock Photo
    Chemist hand picking samples stored in crimp neck vials in pharmaceutical laboratory.
    Girl students using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl students using microscope, conducting scientific experiment in laboratory classroom
    Close-up of person holding petri dish for microbiology research. — Stock Photo
    Close-up of person holding petri dish for microbiology research.
    Scientists writing note on glass wall at lab — Stock Photo
    Scientists writing note on glass wall at lab
    Doctor with test tubes in hospital — Stock Photo
    Doctor with test tubes in hospital
    Close-up of drop of liquid pipetted into glass bottle. — Stock Photo
    Close-up of drop of liquid pipetted into glass bottle.
    Crop anonymous doctor in medical glove demonstrating test tube with blood sample on white background — Stock Photo
    Crop anonymous doctor in medical glove demonstrating test tube with blood sample on white background
    Blood samples in centrifuge tubes on white background. — Stock Photo
    Blood samples in centrifuge tubes on white background.
    Fluid pouring into laboratory glassware. — Stock Photo
    Fluid pouring into laboratory glassware.
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Female students watching mentor conducting experiment in lab — Stock Photo
    Female students watching mentor conducting experiment in lab
    Scientist pipetting solution into the glass test tube at lab — Stock Photo
    Scientist pipetting solution into the glass test tube at lab
    Rack of food samples in test tubes. — Stock Photo
    Rack of food samples in test tubes.
    Side view of female scientist doing experiment in lab — Stock Photo
    Side view of female scientist doing experiment in lab
    Coronavirus negative and positive blood test near vaccine flask and syringe on pink background — Stock Photo
    Coronavirus negative and positive blood test near vaccine flask and syringe on pink background
    Scientific or medical samples on glass table — Stock Photo
    Scientific or medical samples on glass table
    Medical healthcare technologist holding COVID-19 swab collection kit, — Stock Photo
    Medical healthcare technologist holding COVID-19 swab collection kit,
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample