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    Airport security officer using a hand held metal detector to check a commuter in airport — Stock Photo
    Airport security officer using a hand held metal detector to check a commuter in airport
    Leech, coloured scanning electron micrograph (SEM). — Stock Photo
    Leech, coloured scanning electron micrograph (SEM).
    Shell, X-ray, radiology scan — Stock Photo
    Shell, X-ray, radiology scan
    Hands of doctor making scan of teeth of little boy while working in dentist clinic — Stock Photo
    Hands of doctor making scan of teeth of little boy while working in dentist clinic
    Ophthalmologist examining patient with slit lamp and magnifying lens. — Stock Photo
    Ophthalmologist examining patient with slit lamp and magnifying lens.
    Digital brain scan on computer monitor in hospital — Stock Photo
    Digital brain scan on computer monitor in hospital
    Blade of grass with a serrated edge — Stock Photo
    Blade of grass with a serrated edge
    Crop medical practitioner making sonogram to happy pregnant woman during work in contemporary fertility clinic — Stock Photo
    Crop medical practitioner making sonogram to happy pregnant woman during work in contemporary fertility clinic
    Hospital radiologist posing in front of CT scanner with patient. — Stock Photo
    Hospital radiologist posing in front of CT scanner with patient.
    Crop doctor in medical gloves measuring temperature of boy while using infrared camera during coronavirus epidemic — Stock Photo
    Crop doctor in medical gloves measuring temperature of boy while using infrared camera during coronavirus epidemic
    Flowering currant pollen grains — Stock Photo
    Flowering currant pollen grains
    Coloured scanning electron micrograph of bacteria cultured from mobile phone. — Stock Photo
    Coloured scanning electron micrograph of bacteria cultured from mobile phone.
    Wasp eye numerous lenses — Stock Photo
    Wasp eye numerous lenses
    Close-up of person with smartphone scanning QR code in conjunction with the Covid-19 app. — Stock Photo
    Close-up of person with smartphone scanning QR code in conjunction with the Covid-19 app.
    Horse chestnut pollen grain — Stock Photo
    Horse chestnut pollen grain
    X-ray machine in empty room at hospital — Stock Photo
    X-ray machine in empty room at hospital
    Hoverfly head anatomy — Stock Photo
    Hoverfly head anatomy
    Coloured scanning electron micrograph of macrophage white blood cell. — Stock Photo
    Coloured scanning electron micrograph of macrophage white blood cell.
    Bluebottle fly foot — Stock Photo
    Bluebottle fly foot
    Colored magnetic resonance imaging head scan showing arteriovenous malformation. — Stock Photo
    Colored magnetic resonance imaging head scan showing arteriovenous malformation.
    Cardiac muscle from a healthy heart — Stock Photo
    Cardiac muscle from a healthy heart
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample. — Stock Photo
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample.
    Senior radiologist with arms crossed standing in front CT scans in hospital. — Stock Photo
    Senior radiologist with arms crossed standing in front CT scans in hospital.
    Female patient in skin clinic scanning mole. — Stock Photo
    Female patient in skin clinic scanning mole.
    Young female doctor in uniform looking at x-ray image on wall in room — Stock Photo
    Young female doctor in uniform looking at x-ray image on wall in room
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Lower spine and pelvis of skeleton — Stock Photo
    Lower spine and pelvis of skeleton
    Senior radiologist studying CT scans in hospital. — Stock Photo
    Senior radiologist studying CT scans in hospital.
    Top view of ultrasound scans of unborn baby placed bed in ward of fertility clinic — Stock Photo
    Top view of ultrasound scans of unborn baby placed bed in ward of fertility clinic
    Plaque-forming bacteria, colored scanning electron micrograph. — Stock Photo
    Plaque-forming bacteria, colored scanning electron micrograph.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Shell, X-ray, radiology scan — Stock Photo
    Shell, X-ray, radiology scan
    Computer enhanced false-colour Magnetic Resonance Image (MRI) of a mid-sagittal section through the head of a normal 46 year-old woman, showing structures of the brain, spine and facial tissues. — Stock Photo
    Computer enhanced false-colour Magnetic Resonance Image (MRI) of a mid-sagittal section through the head of a normal 46 year-old woman, showing structures of the brain, spine and facial tissues.
    Colored scanning electron micrograph of Streptococcus mutans anaerobic bacteria in normal bacteria flora of mouth. — Stock Photo
    Colored scanning electron micrograph of Streptococcus mutans anaerobic bacteria in normal bacteria flora of mouth.
    Scale insects. Coloured scanning electron micrograph (SEM) of scale insects (superfamily Coccoidea) on a leaf. This pest feeds on the plant's sap. It secretes a powdery wax coating that protects it against pesticides and predators — Stock Photo
    Scale insects. Coloured scanning electron micrograph (SEM) of scale insects (superfamily Coccoidea) on a leaf. This pest feeds on the plant's sap. It secretes a powdery wax coating that protects it against pesticides and predators
    From above of piece of paper with QR code of menu placed on table with chopsticks and plate in Asian restaurant — Stock Photo
    From above of piece of paper with QR code of menu placed on table with chopsticks and plate in Asian restaurant
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae. — Stock Photo
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae.
    Colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer. — Stock Photo
    Colored computed tomography scan of brain section of senior female patient with glioblastoma brain cancer.
    Scanning electron micrograph of Brevibacteria on human feet causing odour. — Stock Photo
    Scanning electron micrograph of Brevibacteria on human feet causing odour.
    Bottle top bag, X-ray. — Stock Photo
    Bottle top bag, X-ray.
    Male doctor preparing patient for MRI scan in hospital — Stock Photo
    Male doctor preparing patient for MRI scan in hospital
    Coloured computed tomography (CT) scan of the brain of a 25 year old patient with a meningioma (blue). — Stock Photo
    Coloured computed tomography (CT) scan of the brain of a 25 year old patient with a meningioma (blue).
    Frontal view of human skull on black background — Stock Photo
    Frontal view of human skull on black background
    Cat flea head — Stock Photo
    Cat flea head
    Customer service representative scanning smart phone QR code at airport check-in counter — Stock Photo
    Customer service representative scanning smart phone QR code at airport check-in counter
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli. — Stock Photo
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli.
    Coloured scanning electron micrograph of cancer cells migrating down pores. — Stock Photo
    Coloured scanning electron micrograph of cancer cells migrating down pores.
    Thornback ray (Raja clavata), X-ray. — Stock Photo
    Thornback ray (Raja clavata), X-ray.
    Fractured myelinated nerve fibres — Stock Photo
    Fractured myelinated nerve fibres
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia. — Stock Photo
    Colored scanning electron micrograph of surface of human fallopian tube with epithelium of columnar cells with cilia.
    Two skeletons shaking hands, X-ray. — Stock Photo
    Two skeletons shaking hands, X-ray.
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Coloured scanning electron micrograph (SEM) of squamous epithelial cells on the skin surface. — Stock Photo
    Coloured scanning electron micrograph (SEM) of squamous epithelial cells on the skin surface.
    Plaque-forming bacteria — Stock Photo
    Plaque-forming bacteria
    Male sex cell — Stock Photo
    Male sex cell
    Tumour affecting the pituitary gland — Stock Photo
    Tumour affecting the pituitary gland
    Doctor consoling patient before mri scan at hospital — Stock Photo
    Doctor consoling patient before mri scan at hospital
    Magnetic resonance imaging scan of human brain. — Stock Photo
    Magnetic resonance imaging scan of human brain.