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    Abstract colored illustration of blue human nerve cell on light background. — Stock Photo
    Abstract colored illustration of blue human nerve cell on light background.
    Coloured scanning electron micrograph of cancer cell from human colon. — Stock Photo
    Coloured scanning electron micrograph of cancer cell from human colon.
    Cladosporium fungi on black background, digital illustration. — Stock Photo
    Cladosporium fungi on black background, digital illustration.
    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.
    Giardia lamblia protozoan parasite, digital illustration — Stock Photo
    Giardia lamblia protozoan parasite, digital illustration
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Illustration of group of cells in blood clot. — Stock Photo
    Illustration of group of cells in blood clot.
    Abstract yellow colored cancer cell on black background, digital illustration. — Stock Photo
    Abstract yellow colored cancer cell on black background, 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
    Lymphoma cancer cell. Coloured scanning electron micrograph (SEM) of a lymphoma cell showing early apoptotic changes. A lymphoma is a cell of the immune system that has become cancerous. The cell becomes immortal and can grow indefinitely — Stock Photo
    Lymphoma cancer cell. Coloured scanning electron micrograph (SEM) of a lymphoma cell showing early apoptotic changes. A lymphoma is a cell of the immune system that has become cancerous. The cell becomes immortal and can grow indefinitely
    Alternaria fungi on black background, digital illustration. — Stock Photo
    Alternaria fungi on black background, digital illustration.
    Close-up 3D illustration of XY chromosomes on white background. — Stock Photo
    Close-up 3D illustration of XY chromosomes on white background.
    Pathogenic Listeria bacteria — Stock Photo
    Pathogenic Listeria bacteria
    Medical illustration of human cell structure on dark background. — Stock Photo
    Medical illustration of human cell structure on dark background.
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Medical illustration of blastocyst beginning implanting in the wall of the uterus — Stock Photo
    Medical illustration of blastocyst beginning implanting in the wall of the uterus
    Trichophyton fungi on black background, digital illustration. — Stock Photo
    Trichophyton fungi on black background, digital illustration.
    Group of flagella cholera bacteria, digital illustration. — Stock Photo
    Group of flagella cholera bacteria, digital illustration.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Illustration of human blood cells on black background. — Stock Photo
    Illustration of human blood cells on black background.
    Horse chestnut pollen grain — Stock Photo
    Horse chestnut pollen grain
    Human kidney tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human kidney tissue, light micrograph. Haematoxylin and eosin stain.
    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.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Cladosporium fungi on black background, digital illustration. — Stock Photo
    Cladosporium fungi on black background, digital illustration.
    3d rendered illustration of human nerve cell on blue background. — Stock Photo
    3d rendered illustration of human nerve cell on blue background.
    Stachybotrys fungus on white background, digital illustration. — Stock Photo
    Stachybotrys fungus on white background, digital illustration.
    Plant vascular tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Plant vascular tissue, light micrograph. Haematoxylin and eosin stain.
    Zika virus particles transmitted by mosquito bite, digital illustration. — Stock Photo
    Zika virus particles transmitted by mosquito bite, digital illustration.
    Bacilli bacteria in the intestine — Stock Photo
    Bacilli bacteria in the intestine
    Animal Cells in culture — Stock Photo
    Animal Cells in culture
    Visual rendering of Amoeba — Stock Photo
    Visual rendering of Amoeba
    Digital illustration of Salmonella Gram-negative rod-shaped bacteria with flagella. — Stock Photo
    Digital illustration of Salmonella Gram-negative rod-shaped bacteria with flagella.
    Salmonella typhimurium bacteria — Stock Photo
    Salmonella typhimurium bacteria
    Digital illustration of Enterobacteriaceae Gram-negative rod-shaped bacteria. — Stock Photo
    Digital illustration of Enterobacteriaceae Gram-negative rod-shaped bacteria.
    Conceptual image of polyomavirus cell — Stock Photo
    Conceptual image of polyomavirus cell
    3d illustration of sperm cell frozen into ice cube. — Stock Photo
    3d illustration of sperm cell frozen into ice cube.
    Bacterial blood infection, digital illustration. — Stock Photo
    Bacterial blood infection, 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.
    Abstract red colored cancer cell on white background, digital illustration. — Stock Photo
    Abstract red colored cancer cell on white background, digital illustration.
    Gram-negative Veillonella bacteria, digital illustration. — Stock Photo
    Gram-negative Veillonella bacteria, digital illustration.
    Scanning electron micrograph of PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph of PC12 neurone in culture.
    Yellow rod-shaped Citrobacter bacteria, digital illustration. — Stock Photo
    Yellow rod-shaped Citrobacter bacteria, digital illustration.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Blue rod-shaped bacteria on white background, digital illustration. — Stock Photo
    Blue rod-shaped bacteria on white background, digital illustration.
    Plague bacteria (Yersinia pestis), computer illustration. — Stock Photo
    Plague bacteria (Yersinia pestis), computer illustration.
    Digital illustration of human nerve cell with dendrites. — Stock Photo
    Digital illustration of human nerve cell with dendrites.
    Microscopic Dust mites on floor — Stock Photo
    Microscopic Dust mites on floor
    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.
    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.
    Panoramic illustration of blood vessel with eosinophilia with numerous eosinophils white blood cells, anti-parasite immune system. — Stock Photo
    Panoramic illustration of blood vessel with eosinophilia with numerous eosinophils white blood cells, anti-parasite immune system.
    Illustration of yellow abscesses on kidney and close-up of Enterococcus bacteria. — Stock Photo
    Illustration of yellow abscesses on kidney and close-up of Enterococcus bacteria.
    Interaction between virus and dendritic 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
    Interaction between virus and dendritic 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.
    Possible global pandemic. Vaccine study for the Coronavirus virus. — Stock Photo
    Possible global pandemic. Vaccine study for the Coronavirus virus.
    Human x chromosomes — Stock Photo
    Human x chromosomes
    Meningitis bacteria (Neisseria meningitidis), computer illustration — Stock Photo
    Meningitis bacteria (Neisseria meningitidis), computer illustration
    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.
    Close-up 3D illustration of X chromosome on white background. — Stock Photo
    Close-up 3D illustration of X chromosome on white background.
    Scanning electron micrograph of PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph of PC12 neurone in culture.
    Medical nanorobot machine, digital illustration. — Stock Photo
    Medical nanorobot machine, digital illustration.