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    Plasmodium vivax protozoan inside red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoan inside red blood cells, digital illustration.
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Pseudomonas aeruginosa bacteria — Stock Photo
    Pseudomonas aeruginosa bacteria
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Coronaviruses causing pneumonia, conceptual computer illustration — Stock Photo
    Coronaviruses causing pneumonia, conceptual computer illustration
    Toxic mould spores of Stachybotrys chartarum fungus, digital illustration. — Stock Photo
    Toxic mould spores of Stachybotrys chartarum fungus, digital illustration.
    Conceptual illustration showing virus infecting neurons of brain. — Stock Photo
    Conceptual illustration showing virus infecting neurons of brain.
    Portrait female scientist in clean suit studying coronavirus vaccine — Stock Photo
    Portrait female scientist in clean suit studying coronavirus vaccine
    Human papillomavirus virus — Stock Photo
    Human papillomavirus virus
    Coronavirus particles, computer illustration — Stock Photo
    Coronavirus particles, computer illustration
    Visual render of Swine flu — Stock Photo
    Visual render of Swine flu
    View of Zika viruses — Stock Photo
    View of Zika viruses
    Middle East Respiratory Syndrome coronavirus particles, digital illustration. — Stock Photo
    Middle East Respiratory Syndrome coronavirus particles, digital illustration.
    Human papilloma virus (HPV), computer illustration — Stock Photo
    Human papilloma virus (HPV), computer illustration
    Staphylococcus epidermidis bacteria — Stock Photo
    Staphylococcus epidermidis bacteria
    Ebola virus structure, digital illustration. — Stock Photo
    Ebola virus structure, digital illustration.
    Influenza virus, computer illustration — Stock Photo
    Influenza virus, computer illustration
    Computer illustration of unicellular yeast fungus Candida auris. — Stock Photo
    Computer illustration of unicellular yeast fungus Candida auris.
    Illustration of spores of the yeast-like fungus Histoplasma capsulatum. When inhaled these spores can cause a respiratory disease called histoplasmosis — Stock Photo
    Illustration of spores of the yeast-like fungus Histoplasma capsulatum. When inhaled these spores can cause a respiratory disease called histoplasmosis
    Single Trichomonas hominis protozoan parasite, digital illustration. — Stock Photo
    Single Trichomonas hominis protozoan parasite, 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.
    Ebola virus particle, digital illustration. — Stock Photo
    Ebola virus particle, digital illustration.
    Coronavirus particles, computer illustration — Stock Photo
    Coronavirus particles, computer 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.
    Human rhinovirus 16 particle — Stock Photo
    Human rhinovirus 16 particle
    Computer illustration of Haemophilus influenzae, coccobacillus bacteria — Stock Photo
    Computer illustration of Haemophilus influenzae, coccobacillus bacteria
    Acanthamoeba castellanii amoeba in cerebrospinal fluid, digital illustration. — Stock Photo
    Acanthamoeba castellanii amoeba in cerebrospinal fluid, digital illustration.
    Illustration of Streptococcus pneumoniae bacteria inside alveoli of lungs causing pneumonia. — Stock Photo
    Illustration of Streptococcus pneumoniae bacteria inside alveoli of lungs causing pneumonia.
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Malaria infection infecting red blood cells, digital illustration. — Stock Photo
    Malaria infection infecting red blood cells, digital illustration.
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Various microbes of different shapes — Stock Photo
    Various microbes of different shapes
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Tuberculosis bacteria. Computer illustration of Mycobacterium tuberculosis bacteria, the Gram-positive rod-shaped bacteria which cause the disease tuberculosis — Stock Photo
    Tuberculosis bacteria. Computer illustration of Mycobacterium tuberculosis bacteria, the Gram-positive rod-shaped bacteria which cause the disease tuberculosis
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration. — Stock Photo
    Blood cells and Plasmodium sp. parasites (at schizont stage) causing malaria, computer illustration.
    Balamuthia mandrillaris amoeba organisms, digital illustration. — Stock Photo
    Balamuthia mandrillaris amoeba organisms, 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
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    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
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, 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.
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    St. Louis encephalitis virus particles, computer illustration — Stock Photo
    St. Louis encephalitis virus particles, computer illustration
    Zika virus particles — Stock Photo
    Zika virus particles
    Lassa virus particles, digital illustration. — Stock Photo
    Lassa virus particles, digital illustration.
    Cancer cells with cytoplasmic projections — Stock Photo
    Cancer cells with cytoplasmic projections
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil blood cell. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil blood cell.
    Plasmodium falciparum protozoan inside red blood cells, computer illustration — Stock Photo
    Plasmodium falciparum protozoan inside red blood cells, computer illustration
    Human immunodeficiency virus infection — Stock Photo
    Human immunodeficiency virus infection
    Digital illustration of Escherichia coli bacteria on white background. — Stock Photo
    Digital illustration of Escherichia coli bacteria on white background.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Conceptual illustration of variants of the SARS-CoV-2 coronavirus with variant spike proteins attached. — Stock Photo
    Conceptual illustration of variants of the SARS-CoV-2 coronavirus with variant spike proteins attached.
    Coronavirus particle, computer illustration — Stock Photo
    Coronavirus particle, computer illustration
    Conceptual image of coxsackievirus cells — Stock Photo
    Conceptual image of coxsackievirus cells
    Streptococcus bacteria structure — Stock Photo
    Streptococcus bacteria structure
    Tubular RNA Marburg virus particle, digital illustration. — Stock Photo
    Tubular RNA Marburg virus particle, digital illustration.
    Digital illustration of rod-shaped bacterium on black background. — Stock Photo
    Digital illustration of rod-shaped bacterium on black background.
    Vaccinia virus particle — Stock Photo
    Vaccinia virus particle