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    Human immunodeficiency virus structure — Stock Photo
    Human immunodeficiency virus structure
    Toilet microbes on contaminated seat surface in water closet, conceptual digital illustration. — Stock Photo
    Toilet microbes on contaminated seat surface in water closet, conceptual digital illustration.
    Coloured scanning electron micrograph of bacteria on surface of human tongue. — Stock Photo
    Coloured scanning electron micrograph of bacteria on surface of human tongue.
    Coloured scanning electron micrograph of macrophage white blood cell. — Stock Photo
    Coloured scanning electron micrograph of macrophage white blood cell.
    Toilet microbes on contaminated seat surface, conceptual digital illustration. — Stock Photo
    Toilet microbes on contaminated seat surface, conceptual digital illustration.
    Skeletal muscle fibres — Stock Photo
    Skeletal muscle fibres
    Flush toilet microbe on contaminated surface, conceptual digital illustration on white background. — Stock Photo
    Flush toilet microbe on contaminated surface, conceptual digital illustration on white background.
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli, commonly known as E coli. — Stock Photo
    Colored scanning electron micrograph of rod-shaped Gram-negative bacteria Escherichia coli, commonly known as E coli.
    Flush toilet microbes on contaminated surface, conceptual digital illustration on grey background. — Stock Photo
    Flush toilet microbes on contaminated surface, conceptual digital illustration on grey background.
    Graphical representation of a single Norovirus virion on white background — Stock Photo
    Graphical representation of a single Norovirus virion on white background
    Conceptual digital illustration showing Giardia intestinalis parasites in drop of water from dirty tap. — Stock Photo
    Conceptual digital illustration showing Giardia intestinalis parasites in drop of water from dirty tap.
    Colonies of Penicillium fungi grown on Sabouraud Dextrose Agar and digital illustration of fungal morphology. — Stock Photo
    Colonies of Penicillium fungi grown on Sabouraud Dextrose Agar and digital illustration of fungal morphology.
    Flush toilet microbes, conceptual digital illustration on white background. — Stock Photo
    Flush toilet microbes, conceptual digital illustration on white background.
    Mouldy smoked sausage and illustration of microscopic fungus Penicillium causing food spoilage and producing antibiotic penicillin. — Stock Photo
    Mouldy smoked sausage and illustration of microscopic fungus Penicillium causing food spoilage and producing antibiotic penicillin.
    Pathophysiology of diabetic foot ulcers — Stock Photo
    Pathophysiology of diabetic foot ulcers
    Coloured scanning electron micrograph of breast cancer cells. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cells.
    Colonies of Penicillium fungi grown on Sabouraud Dextrose Agar and digital illustration of fungal morphology. — Stock Photo
    Colonies of Penicillium fungi grown on Sabouraud Dextrose Agar and digital illustration of fungal morphology.
    Tube polyp with small isopod — Stock Photo
    Tube polyp with small isopod
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Flush toilet microbes on contaminated surface, conceptual digital illustration on white background. — Stock Photo
    Flush toilet microbes on contaminated surface, conceptual digital illustration on white background.
    Coloured scanning electron micrograph of ovarian cancer cells. — Stock Photo
    Coloured scanning electron micrograph of ovarian cancer cells.
    Flush toilet microbes on contaminated surface, conceptual digital illustration on white background. — Stock Photo
    Flush toilet microbes on contaminated surface, conceptual digital illustration on white background.
    Blood clotting in an ovarian follicle — Stock Photo
    Blood clotting in an ovarian follicle
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze. — Stock Photo
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze.
    Coloured scanning electron micrograph of macrophage white blood cell. — Stock Photo
    Coloured scanning electron micrograph of macrophage white blood cell.
    Mouldy smoked sausage and illustration of microscopic fungus Penicillium causing food spoilage and producing antibiotic penicillin. — Stock Photo
    Mouldy smoked sausage and illustration of microscopic fungus Penicillium causing food spoilage and producing antibiotic penicillin.
    Mouldy smoked sausage and illustration of microscopic fungus Penicillium causing food spoilage and producing antibiotic penicillin. — Stock Photo
    Mouldy smoked sausage and illustration of microscopic fungus Penicillium causing food spoilage and producing antibiotic penicillin.
    Conceptual digital illustration showing Pentatrichomonas hominis parasites in drop of water from dirty tap. — Stock Photo
    Conceptual digital illustration showing Pentatrichomonas hominis parasites in drop of water from dirty tap.
    Colonies of Penicillium fungi grown on Sabouraud Dextrose Agar and digital illustration of fungal morphology. — Stock Photo
    Colonies of Penicillium fungi grown on Sabouraud Dextrose Agar and digital illustration of fungal morphology.
    Toilet microbes on contaminated seat surface, conceptual digital illustration. — Stock Photo
    Toilet microbes on contaminated seat surface, conceptual digital illustration.
    Mouldy bread and illustration of microscopic fungi Penicillium causing food spoilage and producing antibiotic penicillin. — Stock Photo
    Mouldy bread and illustration of microscopic fungi Penicillium causing food spoilage and producing antibiotic penicillin.
    Ladybug amphipod closeup shot — Stock Photo
    Ladybug amphipod closeup shot
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear. — Stock Photo
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear.
    Blood clot structure — Stock Photo
    Blood clot structure
    Toilet microbes on contaminated seat surface in water closet, conceptual digital illustration. — Stock Photo
    Toilet microbes on contaminated seat surface in water closet, conceptual digital illustration.
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Conceptual digital illustration showing Pentatrichomonas hominis parasites in drop of water from dirty tap. — Stock Photo
    Conceptual digital illustration showing Pentatrichomonas hominis parasites in drop of water from dirty tap.
    Conceptual illustration showing bacteria Vibrio cholerae in drop of water from tap. — Stock Photo
    Conceptual illustration showing bacteria Vibrio cholerae in drop of water from tap.
    Toilet seat microbes, conceptual digital illustration. — Stock Photo
    Toilet seat microbes, conceptual digital illustration.
    Toilet seat microbes, conceptual digital illustration. — Stock Photo
    Toilet seat microbes, conceptual digital illustration.
    Pancreatic cancer cells — Stock Photo
    Pancreatic cancer cells
    Toilet seat microbes, conceptual digital illustration. — Stock Photo
    Toilet seat microbes, conceptual digital illustration.
    Cat flea head — Stock Photo
    Cat flea head
    Flush toilet microbes on contaminated surface, conceptual digital illustration on black background. — Stock Photo
    Flush toilet microbes on contaminated surface, conceptual digital illustration on black background.
    Conceptual illustration showing bacteria Vibrio cholerae in drop of water from tap. — Stock Photo
    Conceptual illustration showing bacteria Vibrio cholerae in drop of water from tap.
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze. — Stock Photo
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze.
    Toilet microbes on contaminated seat surface, conceptual digital illustration. — Stock Photo
    Toilet microbes on contaminated seat surface, conceptual digital illustration.
    Toilet microbes on contaminated seat surface, conceptual digital illustration. — Stock Photo
    Toilet microbes on contaminated seat surface, conceptual digital illustration.
    Flush toilet microbe on contaminated surface, conceptual digital illustration on white background. — Stock Photo
    Flush toilet microbe on contaminated surface, conceptual digital illustration on white background.
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear. — Stock Photo
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear.
    Mouldy smoked sausage and illustration of microscopic fungus Penicillium causing food spoilage and producing antibiotic penicillin. — Stock Photo
    Mouldy smoked sausage and illustration of microscopic fungus Penicillium causing food spoilage and producing antibiotic penicillin.
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli. — Stock Photo
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli.
    Toilet microbes on contaminated seat surface, conceptual digital illustration. — Stock Photo
    Toilet microbes on contaminated seat surface, conceptual digital illustration.
    View of Zika viruses — Stock Photo
    View of Zika viruses
    Mouldy smoked sausage and illustration of microscopic fungus Penicillium causing food spoilage and producing antibiotic penicillin. — Stock Photo
    Mouldy smoked sausage and illustration of microscopic fungus Penicillium causing food spoilage and producing antibiotic penicillin.
    Conceptual digital illustration showing Giardia intestinalis parasites in drop of water from dirty tap. — Stock Photo
    Conceptual digital illustration showing Giardia intestinalis parasites in drop of water from dirty tap.
    Colonies of Penicillium fungi grown on Sabouraud Dextrose Agar and digital illustration of fungal morphology. — Stock Photo
    Colonies of Penicillium fungi grown on Sabouraud Dextrose Agar and digital illustration of fungal morphology.
    Coloured scanning electron micrograph of macrophage white blood cell. — Stock Photo
    Coloured scanning electron micrograph of macrophage white blood cell.
    Flush toilet microbes, conceptual digital illustration on white background. — Stock Photo
    Flush toilet microbes, conceptual digital illustration on white background.
    Daffodil pollen structure and shape — Stock Photo
    Daffodil pollen structure and shape