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    Group of flagella cholera bacteria, digital illustration. — Stock Photo
    Group of flagella cholera bacteria, digital illustration.
    Hair follicles. Coloured scanning electron micrograph (SEM). The outer layer of hair (the cuticle) has overlapping scales of keratin. These scales are thought to prevent hairs from matting together — Stock Photo
    Hair follicles. Coloured scanning electron micrograph (SEM). The outer layer of hair (the cuticle) has overlapping scales of keratin. These scales are thought to prevent hairs from matting together
    Giardia lamblia flagellated protozoan parasite, digital illustration. — Stock Photo
    Giardia lamblia flagellated protozoan parasite, digital illustration.
    Fat cell. Coloured scanning electron micrograph (SEM) of part of a fat-storing cell (adipocytes). Fat cells are one of the largest cell types in the human body, each cell being 100 to 120 microns in diameter — Stock Photo
    Fat cell. Coloured scanning electron micrograph (SEM) of part of a fat-storing cell (adipocytes). Fat cells are one of the largest cell types in the human body, each cell being 100 to 120 microns in diameter
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Egg cells on white background, digital illustration. — Stock Photo
    Egg cells on white background, digital illustration.
    Toilet microbes in water closet, conceptual digital illustration. — Stock Photo
    Toilet microbes in water closet, conceptual digital illustration.
    Shell of a radiolarian — Stock Photo
    Shell of a radiolarian
    Giardia lamblia single-celled protozoan parasite in human duodenum, digital artwork. — Stock Photo
    Giardia lamblia single-celled protozoan parasite in human duodenum, digital artwork.
    Mucor fungus on white background, digital illustration. — Stock Photo
    Mucor fungus on white background, digital illustration.
    Coloured scanning electron micrograph (SEM) of the shell (test) of a Globigerina sp. planktonic foraminiferan. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell (test) of a Globigerina sp. planktonic foraminiferan.
    Visual rendering of Human cells — Stock Photo
    Visual rendering of Human cells
    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.
    Human digestive system with Shigellosis infection and close-up of Shigella bacteria. — Stock Photo
    Human digestive system with Shigellosis infection and close-up of Shigella bacteria.
    Stachybotrys fungus on white background, digital illustration. — Stock Photo
    Stachybotrys fungus on white background, digital illustration.
    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.
    3d illustration of red rod-shaped bacteria. — Stock Photo
    3d illustration of red rod-shaped bacteria.
    Coloured scanning electron micrograph of dividing Schizosaccharomyces pombe yeast cells. — Stock Photo
    Coloured scanning electron micrograph of dividing Schizosaccharomyces pombe yeast cells.
    Toilet seat microbes, conceptual digital illustration. — Stock Photo
    Toilet seat microbes, conceptual digital illustration.
    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    Schizosaccharomyces pombe yeast — Stock Photo
    Schizosaccharomyces pombe yeast
    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.
    3d rendered illustration of human nerve cell. — Stock Photo
    3d rendered illustration of human nerve cell.
    Abstract close-up of grey fabric structure, digital illustration. — Stock Photo
    Abstract close-up of grey fabric structure, digital illustration.
    Colored illustration of amyloid plaques on nerve cell. — Stock Photo
    Colored illustration of amyloid plaques on nerve cell.
    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    Stachybotrys fungus on white background, digital illustration. — Stock Photo
    Stachybotrys fungus on white background, digital illustration.
    Neisseria meningitidis bacteria — Stock Photo
    Neisseria meningitidis bacteria
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei. — Stock Photo
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei.
    Medical illustration of alveoli on black background — Stock Photo
    Medical illustration of alveoli on black background
    Skin cancer cell — Stock Photo
    Skin cancer cell
    Dendritic cell presenting antigen to T cell, computer illustration. Dendritic cells play a crucial role in initiating immune responses against viruses. They recognise incoming viruses and present their antigens to T cells. — Stock Photo
    Dendritic cell presenting antigen to T cell, computer illustration. Dendritic cells play a crucial role in initiating immune responses against viruses. They recognise incoming viruses and present their antigens to T cells.
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze. — Stock Photo
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze.
    Abstract artwork of human nerve cell structure. — Stock Photo
    Abstract artwork of human nerve cell structure.
    Digital illustration of human cells on blue background. — Stock Photo
    Digital illustration of human cells on blue background.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Close-up 3D illustration of X chromosome on white background. — Stock Photo
    Close-up 3D illustration of X chromosome on white background.
    Trichomonas vaginalis parasitic microorganisms causing trichomoniasis, digital illustration. — Stock Photo
    Trichomonas vaginalis parasitic microorganisms causing trichomoniasis, digital illustration.
    Illustration of female reproductive system and parasitic Trichomonas vaginalis causing trichomoniasis. — Stock Photo
    Illustration of female reproductive system and parasitic Trichomonas vaginalis causing trichomoniasis.
    Illustration of dividing human egg cell. — Stock Photo
    Illustration of dividing human egg cell.
    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.
    Abstract illustration of purple bacilli bacteria, full frame. — Stock Photo
    Abstract illustration of purple bacilli bacteria, full frame.
    Digital illustration of blue human nerve cell. — Stock Photo
    Digital illustration of blue human nerve cell.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Human cell, computer illustration. — Stock Photo
    Human cell, computer illustration.
    Medical illustration of alveoli on black background — Stock Photo
    Medical illustration of alveoli on black background
    Magnified digital illustration of basophil cell. — Stock Photo
    Magnified digital illustration of basophil cell.
    Clostridium botulinum bacteria — Stock Photo
    Clostridium botulinum bacteria
    Giardia lamblia protozoan parasites, digital illustration — Stock Photo
    Giardia lamblia protozoan parasites, digital illustration
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Zika virus particles transmitted by mosquito bite, digital illustration. — Stock Photo
    Zika virus particles transmitted by mosquito bite, digital illustration.
    Digital illustration of cell in early stage of programmed cell death. — Stock Photo
    Digital illustration of cell in early stage of programmed cell death.
    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.
    View of Zika viruses — Stock Photo
    View of Zika viruses
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar. — Stock Photo
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar.
    Digital illustration of anaerobic saccharolytic Bacteroides bacteria. — Stock Photo
    Digital illustration of anaerobic saccharolytic Bacteroides bacteria.
    Illustration of beige stem cell on black background. — Stock Photo
    Illustration of beige stem cell on black background.
    Gram-positive Peptostreptococcus bacteria, digital illustration. — Stock Photo
    Gram-positive Peptostreptococcus bacteria, digital illustration.
    3d illustration of pink colored Meningococcus meningitis bacteria pathogens. — Stock Photo
    3d illustration of pink colored Meningococcus meningitis bacteria pathogens.
    Scanning electron micrograph of bacteria cultured from sample of human faeces. — Stock Photo
    Scanning electron micrograph of bacteria cultured from sample of human faeces.