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    Patient undergoing CT scan test in the hospital — Stock Photo
    Patient undergoing CT scan test in the hospital
    Elder man checking his arterial pressure with machine — Stock Photo
    Elder man checking his arterial pressure with machine
    Male adult engineer in water treatment plant — Stock Photo
    Male adult engineer in water treatment plant
    Researcher man putting on white costume before research in lab. — Stock Photo
    Researcher man putting on white costume before research in lab.
    Scientists preparing blood sample for analysis under light microscope. — Stock Photo
    Scientists preparing blood sample for analysis under light microscope.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Senior woman doing a DNA test at home. — Stock Photo
    Senior woman doing a DNA test at home.
    Cropped view of scientist hands pipetting sample for biological research. — Stock Photo
    Cropped view of scientist hands pipetting sample for biological research.
    Female scientist working with test tube. — Stock Photo
    Female scientist working with test tube.
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining cheerful pregnant woman pointing at the screen in hospital — Stock Photo
    Female doctor in sterile mask and blue glove using ultrasound scanner while examining cheerful pregnant woman pointing at the screen in hospital
    Female teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Female teacher and students conducting scientific experiment in laboratory classroom
    Female researcher with micro pipette sampling into test tube. — Stock Photo
    Female researcher with micro pipette sampling into test tube.
    Caring woman using pulse oximeter on finger of ill boy in oxygen mask using nebulizer during inhalation at home — Stock Photo
    Caring woman using pulse oximeter on finger of ill boy in oxygen mask using nebulizer during inhalation at home
    Examining bacterial sample under microscope. — Stock Photo
    Examining bacterial sample under microscope.
    Senior woman using spirometer, measuring lung capacity and peak expiratory force. — Stock Photo
    Senior woman using spirometer, measuring lung capacity and peak expiratory force.
    Anonymous African American male in uniform with stethoscope showing blurred vaccine in hand in hospital — Stock Photo
    Anonymous African American male in uniform with stethoscope showing blurred vaccine in hand in hospital
    Side view of young concentrated male doctor in medical uniform and mask checking test results while sitting at table in hospital cabinet — Stock Photo
    Side view of young concentrated male doctor in medical uniform and mask checking test results while sitting at table in hospital cabinet
    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.
    Dentist observing an x-ray before operating — Stock Photo
    Dentist observing an x-ray before operating
    A garage or auto repair shop air pressure valve with compressor machine — Stock Photo
    A garage or auto repair shop air pressure valve with compressor machine
    DNA home test kit. — Stock Photo
    DNA home test kit.
    Senior woman undergoing an x-ray test in hospital — Stock Photo
    Senior woman undergoing an x-ray test in hospital
    Female scientist working with test tube — Stock Photo
    Female scientist working with test tube
    Microorganisms culture growing in petri dish, full frame. — Stock Photo
    Microorganisms culture growing in petri dish, full frame.
    Sample tube with blue liquid in pink rack. — Stock Photo
    Sample tube with blue liquid in pink rack.
    Scientists in clean suits researching coronavirus vaccine — Stock Photo
    Scientists in clean suits researching coronavirus vaccine
    Ophthalmologist examining a womans eyes with a keratometer — Stock Photo
    Ophthalmologist examining a womans eyes with a keratometer
    Students conducting scientific experiment in laboratory classroom — Stock Photo
    Students conducting scientific experiment in laboratory classroom
    Plant seedling in soil in Petri dish in laboratory. — Stock Photo
    Plant seedling in soil in Petri dish in laboratory.
    Closeup anonymous doctor with syringe and tube with blood sample of patient for diagnostics research in veterinary clinic lab — Stock Photo
    Closeup anonymous doctor with syringe and tube with blood sample of patient for diagnostics research in veterinary clinic lab
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Female doctor preparing to do a pcr test — Stock Photo
    Female doctor preparing to do a pcr test
    Closeup view of scientist analyzing bacterial colonies — Stock Photo
    Closeup view of scientist analyzing bacterial colonies
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Female hands testing blood sample — Stock Photo
    Female hands testing blood sample
    Hand of researcher holding vacutainer tube above pool of blood and syringe. — Stock Photo
    Hand of researcher holding vacutainer tube above pool of blood and syringe.
    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.
    Human Platelets, computer illustration — Stock Photo
    Human Platelets, computer illustration
    Female chemist setting up equipment in laboratory. — Stock Photo
    Female chemist setting up equipment in laboratory.
    Senior woman undergoing an x-ray test in hospital — Stock Photo
    Senior woman undergoing an x-ray test in hospital
    Single test tube with blood sample. — Stock Photo
    Single test tube with blood sample.
    College students taking test at desks in classroom — Stock Photo
    College students taking test at desks in classroom
    Cropped doctor's hand holding coronavirus vaccine in flask near syringe with needle and negative blood test on blue background — Stock Photo
    Cropped doctor's hand holding coronavirus vaccine in flask near syringe with needle and negative blood test on blue background
    Dried marijuana flower buds on table with analytical balance and moisture measuring device in lab — Stock Photo
    Dried marijuana flower buds on table with analytical balance and moisture measuring device in lab
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Ophthalmologist using auto refractometer eye examination equipment on boy in clinic. — Stock Photo
    Ophthalmologist using auto refractometer eye examination equipment on boy in clinic.
    Close-up of pipetting sample into multiwell plate for analysis in laboratory. — Stock Photo
    Close-up of pipetting sample into multiwell plate for analysis in laboratory.
    Optician testing a girl's eyes with optometry devices — Stock Photo
    Optician testing a girl's eyes with optometry devices
    Female agronomist taking soil sample for fertility analysis. — Stock Photo
    Female agronomist taking soil sample for fertility analysis.
    Doctor wearing on woman eyesight testing spectacles. — Stock Photo
    Doctor wearing on woman eyesight testing spectacles.
    Focused male coffee roaster testing coffee — Stock Photo
    Focused male coffee roaster testing coffee
    Laboratory technician using digital tablet in blood bank — Stock Photo
    Laboratory technician using digital tablet in blood bank
    Doctor with test tubes in hospital — Stock Photo
    Doctor with test tubes in hospital
    Scientist holding tomato piece with tweezers for food research. — Stock Photo
    Scientist holding tomato piece with tweezers for food research.
    Close-up of pipetting sample into multiwell plate for analysis in laboratory. — Stock Photo
    Close-up of pipetting sample into multiwell plate for analysis in laboratory.
    Woman in a black swimsuit — Stock Photo
    Woman in a black swimsuit
    Measuring oxygen levels in blood with pulse oximeter. — Stock Photo
    Measuring oxygen levels in blood with pulse oximeter.
    School in Village of Himba tribe — Stock Photo
    School in Village of Himba tribe
    Woman doing finger prick test. — Stock Photo
    Woman doing finger prick test.
    Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom — Stock Photo
    Boy students examining liquid in test tube, conducting scientific experiment in laboratory classroom