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    Smallpox virus particle — Stock Photo
    Smallpox virus particle
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    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.
    Digital illustration of intestinal parasitic tapeworm head with suckers. — Stock Photo
    Digital illustration of intestinal parasitic tapeworm head with suckers.
    HIV virus particles — Stock Photo
    HIV virus particles
    Measles virus particles, digital illustration. — Stock Photo
    Measles virus particles, digital illustration.
    Human papilloma virus (HPV), computer illustration — Stock Photo
    Human papilloma virus (HPV), computer illustration
    Acinetobacter sp. bacteria infection — Stock Photo
    Acinetobacter sp. bacteria infection
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    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
    Balamuthia mandrillaris amoeba, computer illustration. — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration.
    E. coli bacteria, illustration. Escherichia coli is a rod-shaped bacterium (bacillus). Its cell membrane is covered in fine filaments called pili or fimbriae — Stock Photo
    E. coli bacteria, illustration. Escherichia coli is a rod-shaped bacterium (bacillus). Its cell membrane is covered in fine filaments called pili or fimbriae
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Coronavirus pandemic, Illustration of coronavirus particle and world map formed of people — Stock Photo
    Coronavirus pandemic, Illustration of coronavirus particle and world map formed of people
    Digital illustration showing close-up of cholera infection bacteria in small intestine. — Stock Photo
    Digital illustration showing close-up of cholera infection bacteria in small intestine.
    Stachybotrys toxic mould fruiting structure with spores, digital illustration. — Stock Photo
    Stachybotrys toxic mould fruiting structure with spores, digital illustration.
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Pathogenic bacteria in the blood stream — Stock Photo
    Pathogenic bacteria in the blood stream
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration. — Stock Photo
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration.
    Brain mucormycosis, a brain lesion caused by Mucor sp. fungi, also known as black fungus, with closeup view of fungi, computer illustration. Mucor sp. fungi are found in soil and decaying organic matter and are common indoor moulds — Stock Photo
    Brain mucormycosis, a brain lesion caused by Mucor sp. fungi, also known as black fungus, with closeup view of fungi, computer illustration. Mucor sp. fungi are found in soil and decaying organic matter and are common indoor moulds
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Illustration of bacteria causing bacterial pneumonia in alveoli. — Stock Photo
    Illustration of bacteria causing bacterial pneumonia in alveoli.
    Surface structure of Adenovirus — Stock Photo
    Surface structure of Adenovirus
    Porphyromonas gingivalis oral bacterium, 360 degree panorama view computer illustration. P. gingivalis (formerly known as Bacteroides gingivalis) is part of the normal flora of the mouth, intestine and urogenital tract — Stock Photo
    Porphyromonas gingivalis oral bacterium, 360 degree panorama view computer illustration. P. gingivalis (formerly known as Bacteroides gingivalis) is part of the normal flora of the mouth, intestine and urogenital tract
    Digital illustration of bacteria on tip of needle. — Stock Photo
    Digital illustration of bacteria on tip of needle.
    Various microbes of different shapes — Stock Photo
    Various microbes of different shapes
    Plasmodium vivax protozoan inside red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoan inside red blood cells, digital illustration.
    Coronavirus particles, computer illustration — Stock Photo
    Coronavirus particles, computer illustration
    Bacteria colony reproducing on tissue surface — Stock Photo
    Bacteria colony reproducing on tissue surface
    Plasmodium malariae protozoan inside red blood cells in the ring-form trophozoite stage, computer illustration — Stock Photo
    Plasmodium malariae protozoan inside red blood cells in the ring-form trophozoite stage, computer illustration
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection. — Stock Photo
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection.
    Enterococcus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Enterococcus coccoid bacteria, colored scanning electron micrograph.
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Alveolar macrophage phagocytosis of E. coli — Stock Photo
    Alveolar macrophage phagocytosis of E. coli
    Human papilloma virus (HPV), computer illustration — Stock Photo
    Human papilloma virus (HPV), computer illustration
    Plasmodium ovale protozoan, computer illustration. — Stock Photo
    Plasmodium ovale protozoan, computer illustration.
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Digital illustration of human digestive system and microscopic images of bacteria. — Stock Photo
    Digital illustration of human digestive system and microscopic images of bacteria.
    West Nile virus particles, computer illustration. West Nile virus (WNV) is known to cause encephalitis in humans. — Stock Photo
    West Nile virus particles, computer illustration. West Nile virus (WNV) is known to cause encephalitis in humans.
    Illustration of female reproductive system and parasitic Trichomonas vaginalis causing trichomoniasis. — Stock Photo
    Illustration of female reproductive system and parasitic Trichomonas vaginalis causing trichomoniasis.
    Trichomonas vaginalis parasitic microorganism causing trichomoniasis, digital illustration. — Stock Photo
    Trichomonas vaginalis parasitic microorganism causing trichomoniasis, digital illustration.
    Stachybotrys toxic mould fruiting structure with spores, digital illustration. — Stock Photo
    Stachybotrys toxic mould fruiting structure with spores, digital illustration.
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration. — Stock Photo
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration.
    Lactobacillus bulgaricus bacteria — Stock Photo
    Lactobacillus bulgaricus bacteria
    Coronavirus particle, computer illustration — Stock Photo
    Coronavirus particle, computer illustration
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    3d illustration of Pasteurella multocida bacteria. This is Gram-negative, non-motile, penicillin-sensitive coccobacillus belonging to the Pasteurellaceae family — Stock Photo
    3d illustration of Pasteurella multocida bacteria. This is Gram-negative, non-motile, penicillin-sensitive coccobacillus belonging to the Pasteurellaceae family
    Herpes simplex viruses, computer illustration — Stock Photo
    Herpes simplex viruses, computer illustration
    Computer illustration of unicellular fungus (yeast) Candida auris — Stock Photo
    Computer illustration of unicellular fungus (yeast) Candida auris
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Protozoan Plasmodium malariae inside red blood cell in the schizont stage, computer illustration — Stock Photo
    Protozoan Plasmodium malariae inside red blood cell in the schizont stage, computer illustration
    Digital illustration of yeast and hyphae stages of Candida albicans fungus. — Stock Photo
    Digital illustration of yeast and hyphae stages of Candida albicans fungus.
    Acanthamoeba castellanii amoeba in cerebrospinal fluid, digital illustration. — Stock Photo
    Acanthamoeba castellanii amoeba in cerebrospinal fluid, digital illustration.
    Colored virus particles, digital illustration — Stock Photo
    Colored virus particles, digital illustration
    Illustration of antibodies (blue) attaching to a viral (purple) infected cell. Antibodies bind to specific antigens, for instance viral proteins displayed on the surface of infected cells, marking them for destruction by phagocyte immune cells. — Stock Photo
    Illustration of antibodies (blue) attaching to a viral (purple) infected cell. Antibodies bind to specific antigens, for instance viral proteins displayed on the surface of infected cells, marking them for destruction by phagocyte immune cells.
    Antibiotic resistant Pseudomonas aeruginosa bacterium, digital 3d illustration. — Stock Photo
    Antibiotic resistant Pseudomonas aeruginosa bacterium, digital 3d illustration.
    Visual render of Mono virus — Stock Photo
    Visual render of Mono virus
    Ebola virus particles on black background, digital illustration. — Stock Photo
    Ebola virus particles on black background, digital illustration.
    Blood clot, computer illustration — Stock Photo
    Blood clot, computer illustration
    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.