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    Measles virus particles budding from cells, digital illustration. — Stock Photo
    Measles virus particles budding from cells, digital illustration.
    Digital illustration showing bacteria causing lung infections, Mycobacterium tuberculosis, Streptococcus pneumoniae, Haemophilus influenzae, Pseudomonas aeruginosa. — Stock Photo
    Digital illustration showing bacteria causing lung infections, Mycobacterium tuberculosis, Streptococcus pneumoniae, Haemophilus influenzae, Pseudomonas aeruginosa.
    Digital illustration of abstract pathogenic microorganisms. — Stock Photo
    Digital illustration of abstract pathogenic microorganisms.
    Atomic structure and atomic connectivity — Stock Photo
    Atomic structure and atomic connectivity
    Digital artwork of human sperm on plain background. — Stock Photo
    Digital artwork of human sperm on plain background.
    Colored DNA molecule damage on white background, genetic disorder conceptual illustration. — Stock Photo
    Colored DNA molecule damage on white background, genetic disorder conceptual illustration.
    3d illustration of damaged spermatozoon in human sperm. — Stock Photo
    3d illustration of damaged spermatozoon in human sperm.
    Woolly mammoth skeleton, realistic 3d illustration, side view on white background and dropped shadow. — Stock Photo
    Woolly mammoth skeleton, realistic 3d illustration, side view on white background and dropped shadow.
    Zika virus blue particles, digital illustration. — Stock Photo
    Zika virus blue particles, digital illustration.
    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Neisseria gonorrhoeae bacteria, digital illustration. — Stock Photo
    Neisseria gonorrhoeae bacteria, digital illustration.
    Pyramidal neurons (nerve cells) of human brain frontal cortex, computer illustration — Stock Photo
    Pyramidal neurons (nerve cells) of human brain frontal cortex, computer illustration
    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood. — Stock Photo
    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood.
    Red blood cells, digital illustration. — Stock Photo
    Red blood cells, digital illustration.
    Structure of eosinophil blood cell — Stock Photo
    Structure of eosinophil blood cell
    Closeup Thogotovirus, computer illustration — Stock Photo
    Closeup Thogotovirus, computer illustration
    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    Group of flagella cholera bacteria, digital illustration. — Stock Photo
    Group of flagella cholera bacteria, digital illustration.
    White blood cell and proteins, digital illustration. — Stock Photo
    White blood cell and proteins, digital illustration.
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Digital conceptual colored illustration of network with purple dots and lines. — Stock Photo
    Digital conceptual colored illustration of network with purple dots and lines.
    Herpes simplex virus, computer illustration — Stock Photo
    Herpes simplex virus, computer illustration
    Stomach cancer cell, computer illustration — Stock Photo
    Stomach cancer cell, computer illustration
    Acetobacter bacteria colony — Stock Photo
    Acetobacter bacteria colony
    Lyme disease tick and close-up of Borrelia burgdorferi bacteria, digital illustration. — Stock Photo
    Lyme disease tick and close-up of Borrelia burgdorferi bacteria, digital 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
    Astrovirus particles, illustration. Astroviruses are small viruses, about 28 nanometres in diameter, and first identified in 1975 using electron microscopy — Stock Photo
    Astrovirus particles, illustration. Astroviruses are small viruses, about 28 nanometres in diameter, and first identified in 1975 using electron microscopy
    Acute pyelonephritis. Illustration of small abscesses (yellow) on surface of kidney in case of acute pyelonephritis — Stock Photo
    Acute pyelonephritis. Illustration of small abscesses (yellow) on surface of kidney in case of acute pyelonephritis
    Colorful rhinovirus particles in 360-degree panorama view, digital illustration. — Stock Photo
    Colorful rhinovirus particles in 360-degree panorama view, digital illustration.
    Human torso with internal organs, illustration. — Stock Photo
    Human torso with internal organs, illustration.
    Safety of drinking water. Conceptual illustration showing abstract parasitic microorganisms in drop of water. — Stock Photo
    Safety of drinking water. Conceptual illustration showing abstract parasitic microorganisms in drop of water.
    Abstract representation of a wormhole consisting of lines and points, 3d illustration. — Stock Photo
    Abstract representation of a wormhole consisting of lines and points, 3d illustration.
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual digital illustration. — Stock Photo
    Vials of blood in laboratory centrifuge testing for coronavirus infection, conceptual 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.
    Colored norovirus particles, digital illustration. — Stock Photo
    Colored norovirus particles, digital illustration.
    Structure and shape of basophil — Stock Photo
    Structure and shape of basophil
    Structure and shape of basophil — Stock Photo
    Structure and shape of basophil
    Illustration of condiophores of fungus Aspergillus fumigatus — Stock Photo
    Illustration of condiophores of fungus Aspergillus fumigatus
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Red orthomyxovirus particle on blue background, illustration. — Stock Photo
    Red orthomyxovirus particle on blue background, illustration.
    Acetobacter bacteria colony — Stock Photo
    Acetobacter bacteria colony
    Reduced and graphic view of a mountainous landscape consisting of vertical cross sections, illustration. — Stock Photo
    Reduced and graphic view of a mountainous landscape consisting of vertical cross sections, illustration.
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia. — Stock Photo
    Digital illustration of hypochromic and microcytic red blood cells while iron deficiency anaemia.
    Human heart circulatory and electrical system, 3d illustration. Cross section of the heart showing the ventricles and valves, and the electrical (conduction) system (yellow lines) and circulatory system (red and blue lines). — Stock Photo
    Human heart circulatory and electrical system, 3d illustration. Cross section of the heart showing the ventricles and valves, and the electrical (conduction) system (yellow lines) and circulatory system (red and blue lines).
    UFO above skyscraper in city at sunset, illustration. — Stock Photo
    UFO above skyscraper in city at sunset, illustration.
    3d illustration of a Salmonella sp. bacterium approaching human cell — Stock Photo
    3d illustration of a Salmonella sp. bacterium approaching human cell
    Cardiac muscle cells — Stock Photo
    Cardiac muscle cells
    Anthrax bacteria, computer illustration. Anthrax bacteria (Bacillus anthracis) are cause of disease anthrax in humans and livestock — Stock Photo
    Anthrax bacteria, computer illustration. Anthrax bacteria (Bacillus anthracis) are cause of disease anthrax in humans and livestock
    Acute pyelonephritis, computer illustration and light micrograph — Stock Photo
    Acute pyelonephritis, computer illustration and light micrograph
    Cancer cells and blood vessels — Stock Photo
    Cancer cells and blood vessels
    3d illustration of transparent sperm cells swimming towards egg cell. — Stock Photo
    3d illustration of transparent sperm cells swimming towards egg cell.
    Clostridium perfringens bacterium, illustration. These are Gram-positive, endospore-forming, rod-shaped bacteria. This bacterium frequently occurs in the intestines of humans and many domestic and feral animals — Stock Photo
    Clostridium perfringens bacterium, illustration. These are Gram-positive, endospore-forming, rod-shaped bacteria. This bacterium frequently occurs in the intestines of humans and many domestic and feral animals
    Vehicle on surface of moon, scientific digital illustration. — Stock Photo
    Vehicle on surface of moon, scientific digital illustration.
    Small squares, computer illustration. — Stock Photo
    Small squares, computer illustration.
    Human papilloma virus (HPV), computer illustration — Stock Photo
    Human papilloma virus (HPV), computer illustration
    Animal cells with mitochondria, illustration. — Stock Photo
    Animal cells with mitochondria, illustration.
    Safety of drinking water. Conceptual illustration showing Pentatrichomonas hominis parasites in drop of water from tap. — Stock Photo
    Safety of drinking water. Conceptual illustration showing Pentatrichomonas hominis parasites in drop of water from tap.
    Animal cells with mitochondria, digital illustration. — Stock Photo
    Animal cells with mitochondria, digital illustration.