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    Man having eye test with special equipment. — Stock Photo
    Man having eye test with special equipment.
    Female doctor in protective face mask taking swab test of woman in clinic during covid-19 outbreak. healthcare services, illness prevention and pandemic. — Stock Photo
    Female doctor in protective face mask taking swab test of woman in clinic during covid-19 outbreak. healthcare services, illness prevention and pandemic.
    Doctor using x-ray machine to examining patient in hospital — Stock Photo
    Doctor using x-ray machine to examining patient in hospital
    Crop anonymous veterinarian in sterile gloves operating animal near EKG test monitor in hospital — Stock Photo
    Crop anonymous veterinarian in sterile gloves operating animal near EKG test monitor in hospital
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    Scientist checking a solution in conical flask at lab — Stock Photo
    Scientist checking a solution in conical flask at lab
    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
    Male adult engineer in water treatment plant — Stock Photo
    Male adult engineer in water treatment plant
    Woman doing finger prick test. — Stock Photo
    Woman doing finger prick test.
    Scientist holding test tubes with liquids in hand — Stock Photo
    Scientist holding test tubes with liquids in hand
    Doctor with oximeter examining little patient — Stock Photo
    Doctor with oximeter examining little patient
    Test tubes and baby pacifiers on plain background. — Stock Photo
    Test tubes and baby pacifiers on plain background.
    Close-up of doctor holding prepared influenza nasal vaccine. — Stock Photo
    Close-up of doctor holding prepared influenza nasal vaccine.
    Podiatrist examining and treating patient — Stock Photo
    Podiatrist examining and treating patient
    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
    Doctors using x-ray machine to examining patient in hospital — Stock Photo
    Doctors using x-ray machine to examining patient in hospital
    Top view of mosaic or pattern of positive blood tests over blue background. — Stock Photo
    Top view of mosaic or pattern of positive blood tests over blue background.
    Close-up of antibiotic testing in petri dish. — Stock Photo
    Close-up of antibiotic testing in petri dish.
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Urine sample for analysis and test strip with chart, studio shot. — Stock Photo
    Urine sample for analysis and test strip with chart, studio shot.
    Cropped unrecognizable doctor's hands throwing confetti on negative coronavirus blood test on pink background — Stock Photo
    Cropped unrecognizable doctor's hands throwing confetti on negative coronavirus blood test on pink background
    Asian girl with mother having eye test in clinic. — Stock Photo
    Asian girl with mother having eye test in clinic.
    Pipette adding sample to petri dish during experiment in laboratory. — Stock Photo
    Pipette adding sample to petri dish during experiment in laboratory.
    Male patient receiving a ultrasound scan on the chest — Stock Photo
    Male patient receiving a ultrasound scan on the chest
    Close-up of antibiotic testing in petri dish. — Stock Photo
    Close-up of antibiotic testing in petri dish.
    Blood samples in test tubes on white background. — Stock Photo
    Blood samples in test tubes on white background.
    Empty test tubes in red rack. — Stock Photo
    Empty test tubes in red rack.
    Dentist showing dental x-ray to patient at clinic — Stock Photo
    Dentist showing dental x-ray to patient at clinic
    Boy having eye test with special equipment. — Stock Photo
    Boy having eye test with special equipment.
    Group of laboratory test tubes. — Stock Photo
    Group of laboratory test tubes.
    Blood sample awaiting testing in laboratory, close-up with selective focus. — Stock Photo
    Blood sample awaiting testing in laboratory, close-up with selective focus.
    Female medic in mask collecting blood from arm of male patient sitting in medical chair in modern clinic — Stock Photo
    Female medic in mask collecting blood from arm of male patient sitting in medical chair in modern clinic
    Close-up shot of group of surgeons in operating room at work — Stock Photo
    Close-up shot of group of surgeons in operating room at work
    Cropped image scientist adding liquid in flask — Stock Photo
    Cropped image scientist adding liquid in flask
    Closeup view of empty laboratory beakers — Stock Photo
    Closeup view of empty laboratory beakers
    Optometrist specialist hand picking up lenses from case with several equipment — Stock Photo
    Optometrist specialist hand picking up lenses from case with several equipment
    Scientist studying small device in laboratory — Stock Photo
    Scientist studying small device in laboratory
    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
    Female scientist with test tubes researching coronavirus vaccine — Stock Photo
    Female scientist with test tubes researching coronavirus vaccine
    Cropped unrecognizable doctor's hand showing and making with pen a negative blood test of Coronavirus against a pink background — Stock Photo
    Cropped unrecognizable doctor's hand showing and making with pen a negative blood test of Coronavirus against a pink background
    Pregnancy test showing positive result on white background. — Stock Photo
    Pregnancy test showing positive result on white background.
    Hands of immunologist performing skin prick allergy testing on boy. — Stock Photo
    Hands of immunologist performing skin prick allergy testing on boy.
    Ophthalmologist examining boy eyes with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining boy eyes with slit lamp in clinic.
    Close-up of petri dishes and hand with pipette for genetic research. — Stock Photo
    Close-up of petri dishes and hand with pipette for genetic research.
    Plastic test tubes in rack on white background. — Stock Photo
    Plastic test tubes in rack on white background.
    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.
    Plant seedling in soil in Petri dish and tweezers in laboratory. — Stock Photo
    Plant seedling in soil in Petri dish and tweezers in laboratory.
    Laboratory technician analyzing blood bag in blood bank — Stock Photo
    Laboratory technician analyzing blood bag in blood bank
    Portrait of senior woman undergoing an x-ray test in hospital — Stock Photo
    Portrait of senior woman undergoing an x-ray test in hospital
    Tube with blood sample on metal tray in laboratory, close-up. — Stock Photo
    Tube with blood sample on metal tray in laboratory, close-up.
    African american senior male doctor performing throat swab test on african american man at home. medical testing for prevention of coronavirus outbreak concept — Stock Photo
    African american senior male doctor performing throat swab test on african american man at home. medical testing for prevention of coronavirus outbreak concept
    Woman undergoing ophthalmology visual field testing with A-scan ultrasound biometry. — Stock Photo
    Woman undergoing ophthalmology visual field testing with A-scan ultrasound biometry.
    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.
    Doctor preparing HIV test sample for testing in laboratory. — Stock Photo
    Doctor preparing HIV test sample for testing in laboratory.
    Doctor adjusting electroencephalography equipment on mature patient. — Stock Photo
    Doctor adjusting electroencephalography equipment on mature patient.
    Middle-aged woman on an open MRI machine waiting for the test to begin — Stock Photo
    Middle-aged woman on an open MRI machine waiting for the test to begin
    Close-up of syringes for allergy patch test. — Stock Photo
    Close-up of syringes for allergy patch test.
    Female scientist working with test tube — Stock Photo
    Female scientist working with test tube
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Scientist using pipette while experiment — Stock Photo
    Scientist using pipette while experiment