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    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration. — Stock Photo
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration.
    Hands in gloves of female scientist in laboratory shaking glass flask with dissolved samples of soil. — Stock Photo
    Hands in gloves of female scientist in laboratory shaking glass flask with dissolved samples of soil.
    Preschooler boy undergoing logic cards test for developmental psychology test in female psychologist office. — Stock Photo
    Preschooler boy undergoing logic cards test for developmental psychology test in female psychologist office.
    Man testing temperature of beer in wort while making beer at home brewery — Stock Photo
    Man testing temperature of beer in wort while making beer at home brewery
    Elementary age boy in ophthalmology glasses reading visual chart while visual acuity test. — Stock Photo
    Elementary age boy in ophthalmology glasses reading visual chart while visual acuity test.
    Smart business executive checking sugar level in office — Stock Photo
    Smart business executive checking sugar level in office
    Water department technician coiling hose used to flush hydrant — Stock Photo
    Water department technician coiling hose used to flush hydrant
    Optometrist adjusting the optometry equipment during study of the eyesight of a black woman — Stock Photo
    Optometrist adjusting the optometry equipment during study of the eyesight of a black woman
    DNA testing using saliva sample. — Stock Photo
    DNA testing using saliva sample.
    Boy having hearing test in female audiologist office. — Stock Photo
    Boy having hearing test in female audiologist office.
    Female patient undergoing auto refractometer eye examination in ophthalmology clinic. — Stock Photo
    Female patient undergoing auto refractometer eye examination in ophthalmology clinic.
    Close-up of antibiotic testing in petri dish. — Stock Photo
    Close-up of antibiotic testing in petri dish.
    Female patient undergoing auto refractometer eye examination in ophthalmology clinic. — Stock Photo
    Female patient undergoing auto refractometer eye examination in ophthalmology clinic.
    Attentive female staff examining eggs in factory — Stock Photo
    Attentive female staff examining eggs in factory
    Man testing out hand made bow — Stock Photo
    Man testing out hand made bow
    Female scientist in white coat taking notes in soil testing laboratory. — Stock Photo
    Female scientist in white coat taking notes in soil testing laboratory.
    Technician holding urine sample for testing in laboratory. — Stock Photo
    Technician holding urine sample for testing in laboratory.
    Hand in latex glove holding bunch of wheat. — Stock Photo
    Hand in latex glove holding bunch of wheat.
    Scientist hands holding urine sample in container and chart, studio shot. — Stock Photo
    Scientist hands holding urine sample in container and chart, studio shot.
    Lab technician removing sample vial cap — Stock Photo
    Lab technician removing sample vial cap
    Senior woman preparing DNA test kit. — Stock Photo
    Senior woman preparing DNA test kit.
    Elementary age boy undergoing sight examination with slit lamp in ophthalmology clinic. — Stock Photo
    Elementary age boy undergoing sight examination with slit lamp in ophthalmology clinic.
    Cropped image of Water department technician shutting fire hydrant to flush water pipes — Stock Photo
    Cropped image of Water department technician shutting fire hydrant to flush water pipes
    Female scientist examining fluid in beaker, rear view — Stock Photo
    Female scientist examining fluid in beaker, rear view
    DNA testing using saliva sample. — Stock Photo
    DNA testing using saliva sample.
    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.
    Scientist holding samples in multi well plate during experiment in laboratory. — Stock Photo
    Scientist holding samples in multi well plate during experiment in laboratory.
    Close-up of blood sample in tube and syringe. — Stock Photo
    Close-up of blood sample in tube and syringe.
    Scientist holding tomato piece with tweezers for food research. — Stock Photo
    Scientist holding tomato piece with tweezers for food research.
    Preteen boy undergoing lung function test with female nurse. — Stock Photo
    Preteen boy undergoing lung function test with female nurse.
    Ophthalmologist examining boy eyes with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining boy eyes with slit lamp in clinic.
    Pharmaceutical research. Potential new medicines and vaccines on electron micrograph of virus — Stock Photo
    Pharmaceutical research. Potential new medicines and vaccines on electron micrograph of virus
    Lab technician adding liquid to graduated cylinder — Stock Photo
    Lab technician adding liquid to graduated cylinder
    Scientist holding syringe over variety of pharmaceutical vials. — Stock Photo
    Scientist holding syringe over variety of pharmaceutical vials.
    Computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses in office
    DNA home test kit. — Stock Photo
    DNA home test kit.
    Close-up of technician examining machine at factory — Stock Photo
    Close-up of technician examining machine at factory
    Lab chemist handling water sample — Stock Photo
    Lab chemist handling water sample
    Computer programmers testing virtual reality simulator glasses — Stock Photo
    Computer programmers testing virtual reality simulator glasses
    Winery laboratory. A worktop — Stock Photo
    Winery laboratory. A worktop
    Female scientist working with test tube — Stock Photo
    Female scientist working with test tube
    Doctor preparing HIV test sample for testing in laboratory. — Stock Photo
    Doctor preparing HIV test sample for testing in laboratory.
    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
    Computer programmers using virtual reality simulator glasses, touching fingers in office — Stock Photo
    Computer programmers using virtual reality simulator glasses, touching fingers in office
    Scientist viewing medical sample on glass slide under microscope in laboratory. — Stock Photo
    Scientist viewing medical sample on glass slide under microscope in laboratory.
    Scientist viewing sample on glass slide before light microscope. — Stock Photo
    Scientist viewing sample on glass slide before light microscope.
    Coffee roasters testing coffee — Stock Photo
    Coffee roasters testing coffee
    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.
    Grains and pulses in plastic cups for agriculture research, conceptual image. — Stock Photo
    Grains and pulses in plastic cups for agriculture research, conceptual image.
    Mother helping son test blood sugar — Stock Photo
    Mother helping son test blood sugar
    Technicians examining meat processing machine at meat factory — Stock Photo
    Technicians examining meat processing machine at meat factory
    Person hand holding DNA swab and test results for forensic evidence. — Stock Photo
    Person hand holding DNA swab and test results for forensic evidence.
    Close-up of microcentrifuge tubes with biologist in background. — Stock Photo
    Close-up of microcentrifuge tubes with biologist in background.
    Female staff examining brown eggs on shelf in egg factory — Stock Photo
    Female staff examining brown eggs on shelf in egg factory
    Scientist pipetting samples into multi well plate for automated testing in laboratory. — Stock Photo
    Scientist pipetting samples into multi well plate for automated testing in laboratory.
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration. — Stock Photo
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration.
    Motor testing multimeter and mobile phone at floor in garage — Stock Photo
    Motor testing multimeter and mobile phone at floor in garage
    Mid section of man working at a microbrewery pub, serving a pint of beer, pouring beverage from a tap. — Stock Photo
    Mid section of man working at a microbrewery pub, serving a pint of beer, pouring beverage from a tap.
    Drug research and clinical testing — Stock Photo
    Drug research and clinical testing
    Boy having eye test with special equipment. — Stock Photo
    Boy having eye test with special equipment.