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    Ophthalmologist examining patient with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining patient with slit lamp in clinic.
    Collage of some white masks for protection factor KN95 on red background zenith view — Stock Photo
    Collage of some white masks for protection factor KN95 on red background zenith view
    Close-up of a man's hand with a protective mask and a computer monitor. — Stock Photo
    Close-up of a man's hand with a protective mask and a computer monitor.
    Boy wearing headphones as playing with building blocks while hearing test, female doctor in background. — Stock Photo
    Boy wearing headphones as playing with building blocks while hearing test, female doctor in background.
    Optician testing a girl's eyes with optometry devices — Stock Photo
    Optician testing a girl's eyes with optometry devices
    Scientists in clean suits researching coronavirus vaccine — Stock Photo
    Scientists in clean suits researching coronavirus vaccine
    Physician wearing personal protective equipment performing a Coronavir — Stock Photo
    Physician wearing personal protective equipment performing a Coronavir
    Close-up of doctor holding prepared antibodies syringe. — Stock Photo
    Close-up of doctor holding prepared antibodies syringe.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Laboratory technician using digital tablet in blood bank — Stock Photo
    Laboratory technician using digital tablet in blood bank
    Close-up of microcentrifuge tubes with biologist in background. — Stock Photo
    Close-up of microcentrifuge tubes with biologist in background.
    Scientist putting on gloves before work in laboratory — Stock Photo
    Scientist putting on gloves before work in laboratory
    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
    Close up of Blood test — Stock Photo
    Close up of Blood test
    Laboratory technician using refrigerated centrifuge machine in blood bank — Stock Photo
    Laboratory technician using refrigerated centrifuge machine in blood bank
    Young female scientist working in laboratory — Stock Photo
    Young female scientist working in laboratory
    Close-up of empty and sterile phials in red plastic box. — Stock Photo
    Close-up of empty and sterile phials in red plastic box.
    Portrait of senior woman undergoing an x-ray test in hospital — Stock Photo
    Portrait of senior woman undergoing an x-ray test in hospital
    Man having eye test with special equipment. — Stock Photo
    Man having eye test with special equipment.
    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.
    Scientist person providing chemistry experiment with flasks in laboratory. — Stock Photo
    Scientist person providing chemistry experiment with flasks in laboratory.
    Doctor testing patient blood sugar for diabetes in examination room — Stock Photo
    Doctor testing patient blood sugar for diabetes in examination room
    Crop scientist putting on gloves at laboratory — Stock Photo
    Crop scientist putting on gloves at laboratory
    Close-up of blood sample in glass phial. — Stock Photo
    Close-up of blood sample in glass phial.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Young female scientist working in laboratory — Stock Photo
    Young female scientist working in laboratory
    Bearded elderly male in eye test glasses sitting in modern clinic before vision examination and looking at camera — Stock Photo
    Bearded elderly male in eye test glasses sitting in modern clinic before vision examination and looking at camera
    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
    Ophthalmologist examining patient with slit lamp and magnifying lens. — Stock Photo
    Ophthalmologist examining patient with slit lamp and magnifying lens.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Medical worker wearing personal PPE surgical gloves and protective clothing,holding nasal swab,performing drive-thru COVID-19 testing,point of care on site location for PCR detection of Coronavirus — Stock Photo
    Medical worker wearing personal PPE surgical gloves and protective clothing,holding nasal swab,performing drive-thru COVID-19 testing,point of care on site location for PCR detection of Coronavirus
    Blood samples in microcentrifuge tube strip for genetic analysis. — Stock Photo
    Blood samples in microcentrifuge tube strip for genetic analysis.
    Blood sample in test tube in hand of scientist. — Stock Photo
    Blood sample in test tube in hand of scientist.
    Three blue single-use masks for virus protection on yellow background — Stock Photo
    Three blue single-use masks for virus protection on yellow background
    Cropped shot of surgeons performing operation — Stock Photo
    Cropped shot of surgeons performing operation
    Boy in headphones having hearing test in audiology room. — Stock Photo
    Boy in headphones having hearing test in audiology room.
    Podiatrist examining and treating patient — Stock Photo
    Podiatrist examining and treating patient
    Human blood cells, computer illustration — Stock Photo
    Human blood cells, computer illustration
    Scientific laboratory researcher using test tube and microscope. — Stock Photo
    Scientific laboratory researcher using test tube and microscope.
    Laboratory assistant holding medical samples in rack, mid section. — Stock Photo
    Laboratory assistant holding medical samples in rack, mid section.
    Male laboratory assistant holding test tube rack. — Stock Photo
    Male laboratory assistant holding test tube rack.
    Ophthalmologist examining female patient with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining female patient with slit lamp in clinic.
    Test tubes with urine samples for analysis, studio shot. — Stock Photo
    Test tubes with urine samples for analysis, studio shot.
    Female pediatrician performing allergy skin prick test on little boy with mother in immunologist office. — Stock Photo
    Female pediatrician performing allergy skin prick test on little boy with mother in immunologist office.
    Male adult engineer in water treatment plant — Stock Photo
    Male adult engineer in water treatment plant
    Genetic research tube containing DNA sample with DNA profile in background. — Stock Photo
    Genetic research tube containing DNA sample with DNA profile in background.
    Female scientist working with test tube — Stock Photo
    Female scientist working with test tube
    Laboratory technician with micro pipette sampling into test tube. — Stock Photo
    Laboratory technician with micro pipette sampling into test tube.
    Group of white masks fanned out with reusable KN95 protection index for virus protection on red background — Stock Photo
    Group of white masks fanned out with reusable KN95 protection index for virus protection on red background
    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Ophthalmologist examining a womans eyes with a phoropter — Stock Photo
    Ophthalmologist examining a womans eyes with a phoropter
    Scientific or medical samples on glass table — Stock Photo
    Scientific or medical samples on glass table
    Woman doing finger prick test — Stock Photo
    Woman doing finger prick test
    Close-up of scientist hand holding PCR multiwell plate. — Stock Photo
    Close-up of scientist hand holding PCR multiwell plate.
    Senior man with diabetes using blood glucose meter on finger — Stock Photo
    Senior man with diabetes using blood glucose meter on finger
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Researcher hand holding vacutainer tube in front of yellow tray. — Stock Photo
    Researcher hand holding vacutainer tube in front of yellow tray.
    Hands of an unrecognizable female doctor holding a coronavirus vaccine vial — Stock Photo
    Hands of an unrecognizable female doctor holding a coronavirus vaccine vial
    Scientist pipetting solution into the glass test tube at lab — Stock Photo
    Scientist pipetting solution into the glass test tube at lab
    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.