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    Faecalibacterium prausnitzii bacteria, digital illustration. — Stock Photo
    Faecalibacterium prausnitzii bacteria, digital illustration.
    Artwork of norovirus particles — Stock Photo
    Artwork of norovirus particles
    Close-up of stacked Petri dishes with agar for microbiology research. — Stock Photo
    Close-up of stacked Petri dishes with agar for microbiology research.
    Faecalibacterium prausnitzii bacteria, digital illustration. — Stock Photo
    Faecalibacterium prausnitzii bacteria, digital illustration.
    Bacterial culture grown from human skin on Petri dish with nutrient medium. — Stock Photo
    Bacterial culture grown from human skin on Petri dish with nutrient medium.
    Female scientists in gloves and face mask working in laboratory — Stock Photo
    Female scientists in gloves and face mask working in laboratory
    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.
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Neisseria gonorrhoeae bacteria, illustration. — Stock Photo
    Neisseria gonorrhoeae bacteria, illustration.
    Toilet microbes on contaminated seat surface, conceptual digital illustration. — Stock Photo
    Toilet microbes on contaminated seat surface, conceptual digital illustration.
    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Gram-negative Veillonella bacteria, digital illustration. — Stock Photo
    Gram-negative Veillonella bacteria, digital illustration.
    Nipah virus particles, computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs — Stock Photo
    Nipah virus particles, computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs
    Female scientist with specimen tray in laboratory — Stock Photo
    Female scientist with specimen tray in laboratory
    3D illustration showing the structure of a coronavirus. — Stock Photo
    3D illustration showing the structure of a coronavirus.
    Gram-negative Veillonella bacteria, digital illustration. — Stock Photo
    Gram-negative Veillonella bacteria, digital illustration.
    Coloured scanning electron micrograph of bacteria cultured from mobile phone. — Stock Photo
    Coloured scanning electron micrograph of bacteria cultured from mobile phone.
    Two scientists doing experiment in lab — Stock Photo
    Two scientists doing experiment in lab
    Closeup Thogotovirus, computer illustration — Stock Photo
    Closeup Thogotovirus, computer illustration
    Illustration of antibodies (purple) responding to an infection with the SARS-CoV-2 coronavirus (center) — Stock Photo
    Illustration of antibodies (purple) responding to an infection with the SARS-CoV-2 coronavirus (center)
    Stacked petri dishes with with biohazard warning. — Stock Photo
    Stacked petri dishes with with biohazard warning.
    Giardia lamblia single-celled protozoan parasites in human duodenum, digital artwork. — Stock Photo
    Giardia lamblia single-celled protozoan parasites in human duodenum, digital artwork.
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae. — Stock Photo
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae.
    Diseased blood cells with bacteria, computer illustration. — Stock Photo
    Diseased blood cells with bacteria, computer illustration.
    Acanthocystis. Coloured scanning electron micrograph (SEM) of a centrohelid heliozoan with tangential plate-scales and radial spines — Stock Photo
    Acanthocystis. Coloured scanning electron micrograph (SEM) of a centrohelid heliozoan with tangential plate-scales and radial spines
    Computer illustration of bacteria on the surface of intestinal villi — Stock Photo
    Computer illustration of bacteria on the surface of intestinal villi
    West Nile virus particles — Stock Photo
    West Nile virus particles
    HIV particles in the bloodstream — Stock Photo
    HIV particles in the bloodstream
    Conceptual illustration showing virus infecting neurons of brain. — Stock Photo
    Conceptual illustration showing virus infecting neurons of brain.
    Researcher using a light microscope for studying tube containing blood sample. — Stock Photo
    Researcher using a light microscope for studying tube containing blood sample.
    Digital artwork of illuminated red human cancer cell. — Stock Photo
    Digital artwork of illuminated red human cancer cell.
    Close-up of antibiotic testing in petri dish. — Stock Photo
    Close-up of antibiotic testing in petri dish.
    Scanning electron microscopy of DNA molecules and red and white blood cells. — Stock Photo
    Scanning electron microscopy of DNA molecules and red and white blood cells.
    Illustration of a SARS-Cov-2 virus (red), the cause of Covid-19, infecting the brain — Stock Photo
    Illustration of a SARS-Cov-2 virus (red), the cause of Covid-19, infecting the brain
    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
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Magnified digital illustration of blastocyst cell. — Stock Photo
    Magnified digital illustration of blastocyst cell.
    Digital illustration of virus particles on black background. — Stock Photo
    Digital illustration of virus particles on black background.
    Blue cancer cells, digital illustration. — Stock Photo
    Blue cancer cells, digital illustration.
    Cell cultures under microscope in laboratory. — Stock Photo
    Cell cultures under microscope in laboratory.
    Meningitis bacteria (Neisseria meningitidis), computer illustration — Stock Photo
    Meningitis bacteria (Neisseria meningitidis), computer illustration
    Stem cell cultures on weighed in laboratory. — Stock Photo
    Stem cell cultures on weighed in laboratory.
    Life science technician using micropipette in laboratory. — Stock Photo
    Life science technician using micropipette in laboratory.
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Coronavirus particles, computer illustration — Stock Photo
    Coronavirus particles, computer illustration
    Giardia lamblia protozoan parasites, digital illustration — Stock Photo
    Giardia lamblia protozoan parasites, digital illustration
    Artery partially blocked by atheroma — Stock Photo
    Artery partially blocked by atheroma
    Gram-negative Veillonella bacteria, digital illustration. — Stock Photo
    Gram-negative Veillonella bacteria, digital illustration.
    Nipah virus particles, computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs — Stock Photo
    Nipah virus particles, computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs
    Bacterial cells on tissue surface — Stock Photo
    Bacterial cells on tissue surface
    Illustration of several of the antibiotic resistance mechanisms of bacteria — Stock Photo
    Illustration of several of the antibiotic resistance mechanisms of bacteria
    Microbes found on mobile phone, conceptual computer illustration — Stock Photo
    Microbes found on mobile phone, conceptual computer illustration
    Neisseria gonorrhoeae bacteria, digital illustration. — Stock Photo
    Neisseria gonorrhoeae bacteria, digital illustration.
    Digital 3d illustration of pink Campylobacter bacteria. — Stock Photo
    Digital 3d illustration of pink Campylobacter bacteria.
    Human embryonic stem cells in Petri dish, digital illustration. — Stock Photo
    Human embryonic stem cells in Petri dish, digital illustration.
    Ebola virus structure, digital illustration. — Stock Photo
    Ebola virus structure, digital illustration.
    Close-up of person holding petri dish for biological research. — Stock Photo
    Close-up of person holding petri dish for biological research.
    St. Louis encephalitis virus particles, computer illustration — Stock Photo
    St. Louis encephalitis virus particles, computer illustration
    Human cytomegalovirus particles in blood flow, digital illustration. — Stock Photo
    Human cytomegalovirus particles in blood flow, digital illustration.
    Escherichia coli pathogenic bacteria — Stock Photo
    Escherichia coli pathogenic bacteria