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    Influenza viruses and host cell — Stock Photo
    Influenza viruses and host cell
    Nanoscale spikes formed on gold surface — Stock Photo
    Nanoscale spikes formed on gold surface
    Peony (Paeonia suffruticosa), coloured X-ray — Stock Photo
    Peony (Paeonia suffruticosa), coloured X-ray
    Coloured 3D computed tomography (CT) scan of the healthy lungs of a 30 year old patient. — Stock Photo
    Coloured 3D computed tomography (CT) scan of the healthy lungs of a 30 year old patient.
    Coloured chest X-ray showing aspiration (dark areas) in the lungs of a 76-year-old female patient with an extensive brain haemorrhage. — Stock Photo
    Coloured chest X-ray showing aspiration (dark areas) in the lungs of a 76-year-old female patient with an extensive brain haemorrhage.
    Young vain man in stylish wear with hat standing on tiled wall looking away — Stock Photo
    Young vain man in stylish wear with hat standing on tiled wall looking away
    Leech, coloured scanning electron micrograph (SEM). — Stock Photo
    Leech, coloured scanning electron micrograph (SEM).
    Young vain man in stylish wear with long nails standing on tiled wall looking at camera — Stock Photo
    Young vain man in stylish wear with long nails standing on tiled wall looking at camera
    Happy African American woman with braids and black bearded man smiling and looking at camera while creating dentures in modern laboratory — Stock Photo
    Happy African American woman with braids and black bearded man smiling and looking at camera while creating dentures in modern laboratory
    Closeup of a denture in a laboratory — Stock Photo
    Closeup of a denture in a laboratory
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Coloured scanning electron micrograph of tardigrade water bear. — Stock Photo
    Coloured scanning electron micrograph of tardigrade water bear.
    Roquefort cheese and digital illustration of fungus Penicillium roqueforti. — Stock Photo
    Roquefort cheese and digital illustration of fungus Penicillium roqueforti.
    Escherichia coli on the surface of human skin — Stock Photo
    Escherichia coli on the surface of human skin
    Coloured scanning electron micrograph of bacteria cultured from used dishcloth. — Stock Photo
    Coloured scanning electron micrograph of bacteria cultured from used dishcloth.
    Scanning electron micrograph of Brevibacteria on human feet causing odour. — Stock Photo
    Scanning electron micrograph of Brevibacteria on human feet causing odour.
    Human intestine and close-up of Campylobacter jejuni bacteria causing Campylobacteriosis, conceptual illustration. — Stock Photo
    Human intestine and close-up of Campylobacter jejuni bacteria causing Campylobacteriosis, conceptual illustration.
    Plaque-forming bacteria — Stock Photo
    Plaque-forming bacteria
    Salmon Fishing, Alaska — Stock Photo
    Salmon Fishing, Alaska
    Coloured computed tomography (CT) scan of a section through the chest of a 76-year-old male patient with a malignant (cancerous) tumour (bright, right) of the bronchus. — Stock Photo
    Coloured computed tomography (CT) scan of a section through the chest of a 76-year-old male patient with a malignant (cancerous) tumour (bright, right) of the bronchus.
    Doll knitted dress, coloured X-ray. — Stock Photo
    Doll knitted dress, coloured X-ray.
    Scanning electron micrograph of faecal bacteria cultured from sample of human faeces. — Stock Photo
    Scanning electron micrograph of faecal bacteria cultured from sample of human faeces.
    Crenated red blood cells — Stock Photo
    Crenated red blood cells
    Young vain man in stylish wear with hat standing on tiled wall looking away — Stock Photo
    Young vain man in stylish wear with hat standing on tiled wall looking away
    Axial computed tomography scan of chest showing cancerous tumor in lungs. — Stock Photo
    Axial computed tomography scan of chest showing cancerous tumor in lungs.
    Pancreatic islet cells. Colored transmission electron micrograph (TEM) of a section through pancreas tissue, showing cells known as Islets of Langerhans. These cells occur in distinct ovoid clusters numbering about 1 million in humans — Stock Photo
    Pancreatic islet cells. Colored transmission electron micrograph (TEM) of a section through pancreas tissue, showing cells known as Islets of Langerhans. These cells occur in distinct ovoid clusters numbering about 1 million in humans