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    Nurse takes sample for covid-19 — Stock Photo
    Nurse takes sample for covid-19
    Close-up of sample on red liquid in centrifuge tube. — Stock Photo
    Close-up of sample on red liquid in centrifuge tube.
    Medium tray with cells and DNA autoradiogram for scientific research. — Stock Photo
    Medium tray with cells and DNA autoradiogram for scientific research.
    DNA testing using saliva sample. — Stock Photo
    DNA testing using saliva sample.
    Concentrated casual mixed race kids relaxing on sand and sharing mobile phone at daytime — Stock Photo
    Concentrated casual mixed race kids relaxing on sand and sharing mobile phone at daytime
    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.
    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
    Scientist hand sampling water in test tube for quality testing. — Stock Photo
    Scientist hand sampling water in test tube for quality testing.
    Brown beans in plastic cup for agriculture research, conceptual image. — Stock Photo
    Brown beans in plastic cup for agriculture research, conceptual image.
    Grains and pulses in plastic cups for agriculture research, conceptual image. — Stock Photo
    Grains and pulses in plastic cups for agriculture research, conceptual image.
    Male adult engineer in water treatment plant — Stock Photo
    Male adult engineer in water treatment plant
    Blood samples — Stock Photo
    Blood samples
    Glass slide containing human sample under light microscope for medical testing. — Stock Photo
    Glass slide containing human sample under light microscope for medical testing.
    Handsome smiling asian man sitting in car and looking at camera — Stock Photo
    Handsome smiling asian man sitting in car and looking at camera
    Pills in petri dishes — Stock Photo
    Pills in petri dishes
    Blood samples ready for analysis — Stock Photo
    Blood samples ready for analysis
    Toddler girl testing the water at edge of swimming pool — Stock Photo
    Toddler girl testing the water at edge of swimming pool
    Women trying skincare products in drugstore — Stock Photo
    Women trying skincare products in drugstore
    Doctor preparing HIV test sample for testing in laboratory. — Stock Photo
    Doctor preparing HIV test sample for testing in laboratory.
    Spirometry. Using digital spirometer with smart phone app, testing lungs. — Stock Photo
    Spirometry. Using digital spirometer with smart phone app, testing lungs.
    DNA home test kit. — Stock Photo
    DNA home test kit.
    Computer programmers testing virtual reality simulator glasses in office — Stock Photo
    Computer programmers testing virtual reality simulator glasses in office
    Boy coloring shapes with colorful pens for developmental psychology test in female doctor office. — Stock Photo
    Boy coloring shapes with colorful pens for developmental psychology test in female doctor office.
    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
    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.
    Forensic evidence collection with knife for DNA forensic test. — Stock Photo
    Forensic evidence collection with knife for DNA forensic test.
    Father and son on a lake shore — Stock Photo
    Father and son on a lake shore
    Woman dipping her hand in a river, Bulgaria — Stock Photo
    Woman dipping her hand in a river, Bulgaria
    Close-up of teenage girl using microscope in lab — Stock Photo
    Close-up of teenage girl using microscope in lab
    Technicians examining meat processing machine at meat factory — Stock Photo
    Technicians examining meat processing machine at meat factory
    Blood test kit and and analysis results — Stock Photo
    Blood test kit and and analysis results
    Scientist holding petri dish and syringe. — Stock Photo
    Scientist holding petri dish and syringe.
    Female biologist pouring water into test tube with dissolved samples of soil in laboratory. — Stock Photo
    Female biologist pouring water into test tube with dissolved samples of soil in laboratory.
    Close-up of technician examining machine at factory — Stock Photo
    Close-up of technician examining machine at factory
    Lab chemist preparing automated water test — Stock Photo
    Lab chemist preparing automated water test
    Female scientist working with test tube — Stock Photo
    Female scientist working with test tube
    Man testing VR glasses on dark background — Stock Photo
    Man testing VR glasses on dark background
    Scientist hand sampling water in flask for quality testing. — Stock Photo
    Scientist hand sampling water in flask for quality testing.
    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 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.
    Technician pipetting samples into cartridges for solid phase extraction. — Stock Photo
    Technician pipetting samples into cartridges for solid phase extraction.
    Female scientist in white coat taking notes in soil testing laboratory. — Stock Photo
    Female scientist in white coat taking notes in soil testing laboratory.
    Agronomy technician pouring water in soil samples. — Stock Photo
    Agronomy technician pouring water in soil samples.
    Cropped image of female staff examining eggs in egg factory — Stock Photo
    Cropped image of female staff examining eggs in egg factory
    Woman undergoing ophthalmology visual field testing with A-scan ultrasound biometry. — Stock Photo
    Woman undergoing ophthalmology visual field testing with A-scan ultrasound biometry.
    Technician hand holding blood sample ready for testing in laboratory. — Stock Photo
    Technician hand holding blood sample ready for testing in laboratory.
    Close-up of female scientist using pipette in laboratory — Stock Photo
    Close-up of female scientist using pipette in laboratory
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Forensic scientist measuring knife blade as forensic evidence. — Stock Photo
    Forensic scientist measuring knife blade as forensic evidence.
    Scientist preparing chemical liquid in laboratory flask. — Stock Photo
    Scientist preparing chemical liquid in laboratory flask.
    Boy having eye test with special equipment. — Stock Photo
    Boy having eye test with special equipment.
    Modern digital mammography unit at clinic and screen — Stock Photo
    Modern digital mammography unit at clinic and screen
    Hand in latex glove holding peanut — Stock Photo
    Hand in latex glove holding peanut
    Blood samples in a multi well plate during a clinical trial. — Stock Photo
    Blood samples in a multi well plate during a clinical trial.
    Senior man using peak flow meter on white background. — Stock Photo
    Senior man using peak flow meter on white background.
    Variety of potential drugs in petri dish on DNA autoradiogram. — Stock Photo
    Variety of potential drugs in petri dish on DNA autoradiogram.
    Girl having eye test in clinic with doctor. — Stock Photo
    Girl having eye test in clinic with doctor.
    Female patient beside digital mammography unit — Stock Photo
    Female patient beside digital mammography unit
    Lab chemist placing a sample slide on a microscope stage — Stock Photo
    Lab chemist placing a sample slide on a microscope stage
    Boy in headphones having hearing test in audiology room. — Stock Photo
    Boy in headphones having hearing test in audiology room.