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    Norovirus gastroenteritis virus particles, digital illustration. — Stock Photo
    Norovirus gastroenteritis virus particles, digital illustration.
    Human papilloma virus — Stock Photo
    Human papilloma virus
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Helicobacter bacteria on stomach wall — Stock Photo
    Helicobacter bacteria on stomach wall
    Bifidobacterium bacteria, computer illustration. Bifidobacteria are Gram-positive anaerobic bacteria that live in gastrointestinal tract, vagina and mouth — Stock Photo
    Bifidobacterium bacteria, computer illustration. Bifidobacteria are Gram-positive anaerobic bacteria that live in gastrointestinal tract, vagina and mouth
    Colored scanning electron micrograph of pollen grains from marigold flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from marigold flower.
    Abstract DNA molecules, digital illustration. — Stock Photo
    Abstract DNA molecules, digital illustration.
    Colored digital artwork of cancer cell. — Stock Photo
    Colored digital artwork of cancer cell.
    Normal human egg — Stock Photo
    Normal human egg
    T-lymphocytes attacking a cancer cell — Stock Photo
    T-lymphocytes attacking a cancer cell
    Streptococcus pneumoniae bacteria, digital illustration. — Stock Photo
    Streptococcus pneumoniae bacteria, digital illustration.
    Nucleic acid, abstract digital illustration. — Stock Photo
    Nucleic acid, abstract digital illustration.
    Structure and shape of basophil — Stock Photo
    Structure and shape of basophil
    Mucor fungus on black background, digital illustration. — Stock Photo
    Mucor fungus on black background, digital illustration.
    Female cell biologist examining flask containing stem cells cultivated in red growth medium. — Stock Photo
    Female cell biologist examining flask containing stem cells cultivated in red growth medium.
    Chromosome structure and composition — Stock Photo
    Chromosome structure and composition
    T-cells (turquoise) surrounding a tumour (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus — Stock Photo
    T-cells (turquoise) surrounding a tumour (pink), illustration. T-lymphocytes, or T-cells, are a type of white blood cell and components of the body's immune system. They mature in the thymus
    Antibodies attacking virus particles, computer illustration. — Stock Photo
    Antibodies attacking virus particles, computer illustration.
    Various microbes of different shapes — Stock Photo
    Various microbes of different shapes
    Neisseria gonorrhoeae bacteria, illustration. — Stock Photo
    Neisseria gonorrhoeae bacteria, illustration.
    Genetic engineering, conceptual illustration — Stock Photo
    Genetic engineering, conceptual illustration
    Structure of eosinophil blood cell — Stock Photo
    Structure of eosinophil blood cell
    PCR micro tube strip with red liquid. — Stock Photo
    PCR micro tube strip with red liquid.
    Echo virus structure, digital illustration. — Stock Photo
    Echo virus structure, digital illustration.
    Male hand opening agar plate for microbiology research. — Stock Photo
    Male hand opening agar plate for microbiology research.
    Illustration of small intestine in human body silhouette. — Stock Photo
    Illustration of small intestine in human body silhouette.
    Helianthus stem. Light micrograph (LM) of stem of perennial sunflower (Helianthus sp.) in cross-section showing vascular bundles (green, yellow). Vascular tissues transport water and dissolved substances inside plant — Stock Photo
    Helianthus stem. Light micrograph (LM) of stem of perennial sunflower (Helianthus sp.) in cross-section showing vascular bundles (green, yellow). Vascular tissues transport water and dissolved substances inside plant
    Pipetting liquid into test tubes, close-up. — Stock Photo
    Pipetting liquid into test tubes, close-up.
    Group of viruses, computer illustration — Stock Photo
    Group of viruses, computer illustration
    Lymphocytes attacking viruses — Stock Photo
    Lymphocytes attacking viruses
    Illustration of beige stem cell on black background. — Stock Photo
    Illustration of beige stem cell on black background.
    Cancer cell with filaments — Stock Photo
    Cancer cell with filaments
    DNA autoradiograph pattern, digital illustration. — Stock Photo
    DNA autoradiograph pattern, digital illustration.
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets. — Stock Photo
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets.
    Close-up of petri dishes with pipette. — Stock Photo
    Close-up of petri dishes with pipette.
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Female scientist working with test tube — Stock Photo
    Female scientist working with test tube
    Cancer cells and blood vessels — Stock Photo
    Cancer cells and blood vessels
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Digital illustration of Mycobacterium tuberculosis gram-positive rod-shaped bacteria which causing disease tuberculosis. — Stock Photo
    Digital illustration of Mycobacterium tuberculosis gram-positive rod-shaped bacteria which causing disease tuberculosis.
    Parasites attacking female egg cell, digital illustration. — Stock Photo
    Parasites attacking female egg cell, digital illustration.
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration — Stock Photo
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration
    Abstract red DNA pattern, conceptual digital illustration. — Stock Photo
    Abstract red DNA pattern, conceptual digital illustration.
    Bacteria cells on white background, digital illustration. — Stock Photo
    Bacteria cells on white background, digital illustration.
    Conceptual illustration of genetically modified corn on plain background. — Stock Photo
    Conceptual illustration of genetically modified corn on plain background.
    Blood vessel in the lung — Stock Photo
    Blood vessel in the lung
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Digital illustration of HIV retrovirus of lentivirus kind, causing of collapse of immune system and AIDS. — Stock Photo
    Digital illustration of HIV retrovirus of lentivirus kind, causing of collapse of immune system and AIDS.
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration — Stock Photo
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration
    Conceptual illustration of human brain with signs of viral encephalitis and close-up of virus particles. — Stock Photo
    Conceptual illustration of human brain with signs of viral encephalitis and close-up of virus particles.
    Red orthomyxovirus particle on blue background, illustration. — Stock Photo
    Red orthomyxovirus particle on blue background, illustration.
    Pneumonia caused by varicella zoster virus, digital illustration. — Stock Photo
    Pneumonia caused by varicella zoster virus, digital illustration.
    Digital illustration of eosinophil white blood cells with lobed nuclei colored in purple. — Stock Photo
    Digital illustration of eosinophil white blood cells with lobed nuclei colored in purple.
    Female researcher using light microscope for examining stem cells in culture jar. — Stock Photo
    Female researcher using light microscope for examining stem cells in culture jar.
    Stacked agar plates with microbiological cultures on plain background. — Stock Photo
    Stacked agar plates with microbiological cultures on plain background.
    Covid-19 coronavirus particles, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019 — Stock Photo
    Covid-19 coronavirus particles, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019
    Conceptual illustration of human microbiome microbes, full frame. — Stock Photo
    Conceptual illustration of human microbiome microbes, full frame.
    Growing bacterial colony — Stock Photo
    Growing bacterial colony
    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.