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    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.
    Coloured scanning electron micrograph (SEM) of the common environmental and allergenic mould (Cladosporium sp.); fungal hyphae producing spores. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the common environmental and allergenic mould (Cladosporium sp.); fungal hyphae producing spores.
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration.
    Plasmodium vivax protozoan, computer illustration. — Stock Photo
    Plasmodium vivax protozoan, computer illustration.
    Chlamydia bacteria, illustration — Stock Photo
    Chlamydia bacteria, illustration
    Measles virus particles budding from cells, digital illustration. — Stock Photo
    Measles virus particles budding from cells, digital illustration.
    Group of Trichomonas hominis protozoan parasites, digital illustration. — Stock Photo
    Group of Trichomonas hominis protozoan parasites, digital illustration.
    Mucor mould, also known as black fungus, computer illustration — Stock Photo
    Mucor mould, also known as black fungus, computer illustration
    View of Zika viruses — Stock Photo
    View of Zika viruses
    Venezuelan haemorrhagic fever virus — Stock Photo
    Venezuelan haemorrhagic fever virus
    Computer illustration of coronavirus particle — Stock Photo
    Computer illustration of coronavirus particle
    Antibody, or immunoglobulin molecules — Stock Photo
    Antibody, or immunoglobulin molecules
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Smear from oral cavity showing oral trichomonas and buccal epithelial cells, digital illustration. — Stock Photo
    Smear from oral cavity showing oral trichomonas and buccal epithelial cells, digital illustration.
    Virus particles spreading through blood stream — Stock Photo
    Virus particles spreading through blood stream
    Cryptococcus neoformans fungus, illustration. C. neoformans is a yeast-like fungus that reproduces by budding. An acidic mucopolysaccharide capsule completely encloses the fungus — Stock Photo
    Cryptococcus neoformans fungus, illustration. C. neoformans is a yeast-like fungus that reproduces by budding. An acidic mucopolysaccharide capsule completely encloses the fungus
    Zika virus particles transmitted by mosquito bite, digital illustration. — Stock Photo
    Zika virus particles transmitted by mosquito bite, digital illustration.
    Lactobacillus bulgaricus bacteria — Stock Photo
    Lactobacillus bulgaricus bacteria
    Neisseria gonorrhoeae bacteria, digital illustration. — Stock Photo
    Neisseria gonorrhoeae bacteria, digital illustration.
    Illustration of SARS-Cov-2 viruses (red), the cause of Covid-19, infecting the brain — Stock Photo
    Illustration of SARS-Cov-2 viruses (red), the cause of Covid-19, infecting the brain
    View of Adenovirus particle — Stock Photo
    View of Adenovirus particle
    Digital illustration of chains of Streptobacillus moniliformis rat bite fever bacteria. — Stock Photo
    Digital illustration of chains of Streptobacillus moniliformis rat bite fever bacteria.
    Acinetobacter sp. bacteria infection — Stock Photo
    Acinetobacter sp. bacteria infection
    Mycoplasma genitalium parasitic bacteria, digital illustration. — Stock Photo
    Mycoplasma genitalium parasitic bacteria, digital illustration.
    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.
    Destruction of human cytomegalovirus — Stock Photo
    Destruction of human cytomegalovirus
    Nipah virus particle, digital illustration. — Stock Photo
    Nipah virus particle, digital illustration.
    Digital artwork of abstract pathogenic microorganism in human large intestine. — Stock Photo
    Digital artwork of abstract pathogenic microorganism in human large intestine.
    Plasmodium vivax protozoa inside blood vessel, digital illustration. — Stock Photo
    Plasmodium vivax protozoa inside blood vessel, digital illustration.
    Digital illustration showing inclusion composed of chlamydia reticulate bodies near nucleus of cell. — Stock Photo
    Digital illustration showing inclusion composed of chlamydia reticulate bodies near nucleus of cell.
    Helicobacter pylori bacteria — Stock Photo
    Helicobacter pylori bacteria
    Mycoplasma genitalium parasitic bacteria, digital illustration. — Stock Photo
    Mycoplasma genitalium parasitic bacteria, digital illustration.
    Herpes simplex viruses, computer illustration — Stock Photo
    Herpes simplex viruses, computer illustration
    Lactobacillus bulgaricus bacteria — Stock Photo
    Lactobacillus bulgaricus bacteria
    Bacterial cells on tissue surface — Stock Photo
    Bacterial cells on tissue surface
    St. Louis encephalitis virus particles, computer illustration — Stock Photo
    St. Louis encephalitis virus particles, computer illustration
    Mycobacterium tuberculosis bacteria — Stock Photo
    Mycobacterium tuberculosis bacteria
    Lassa virus particles, digital illustration. — Stock Photo
    Lassa virus particles, digital illustration.
    Zika virus particles transmitted by mosquito bite, digital illustration. — Stock Photo
    Zika virus particles transmitted by mosquito bite, digital illustration.
    Blastomyces dermatitidis fungus, computer illustration. — Stock Photo
    Blastomyces dermatitidis fungus, computer illustration.
    Conceptual illustration of association of Bacteroides massiliensis bacteria in intestine with prostate cancer development. — Stock Photo
    Conceptual illustration of association of Bacteroides massiliensis bacteria in intestine with prostate cancer development.
    Abstract human immunodeficiency virus particles, digital illustration — Stock Photo
    Abstract human immunodeficiency virus particles, digital illustration
    Human T-cell lymphotropic virus particle, digital conceptual illustration. — Stock Photo
    Human T-cell lymphotropic virus particle, digital conceptual illustration.
    Coronavirus particles, computer illustration. Different strains of coronavirus are responsible for diseases such as the common cold, gastroenteritis and SARS (severe acute respiratory syndrome) — Stock Photo
    Coronavirus particles, computer illustration. Different strains of coronavirus are responsible for diseases such as the common cold, gastroenteritis and SARS (severe acute respiratory syndrome)
    Bacterial brain infection. Conceptual computer illustration showing Streptococcus pneumoniae bacteria, one of the main causes of bacterial meningitis and meningoencephalitis, infecting brain cells — Stock Photo
    Bacterial brain infection. Conceptual computer illustration showing Streptococcus pneumoniae bacteria, one of the main causes of bacterial meningitis and meningoencephalitis, infecting brain cells
    Ebola virus particles, digital illustration. — Stock Photo
    Ebola virus particles, digital illustration.
    Middle East Respiratory Syndrome coronavirus particles, digital illustration. — Stock Photo
    Middle East Respiratory Syndrome coronavirus particles, digital illustration.
    Measles virus particle, computer illustration. — Stock Photo
    Measles virus particle, computer illustration.
    Bacteria infecting organism — Stock Photo
    Bacteria infecting organism
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection. — Stock Photo
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection.
    Lymphocytes attacking viruses — Stock Photo
    Lymphocytes attacking viruses
    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
    Covid-19 coronavirus particle, illustration. — Stock Photo
    Covid-19 coronavirus particle, illustration.
    Entamoeba histolytica engulfing red blood cells — Stock Photo
    Entamoeba histolytica engulfing red blood cells
    Influenza viruses and host cell — Stock Photo
    Influenza viruses and host cell
    Bacterial infection in the blood stream — Stock Photo
    Bacterial infection in the blood stream
    Trichophyton mentagrophytes cause of athlete foot — Stock Photo
    Trichophyton mentagrophytes cause of athlete foot
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Nipah virus particles, digital artwork. — Stock Photo
    Nipah virus particles, digital artwork.
    Red blood cell infected with Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration. — Stock Photo
    Red blood cell infected with Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration.