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    Red blood cells on white background, digital illustration. — Stock Photo
    Red blood cells on white background, digital illustration.
    View of Poliovirus particle — Stock Photo
    View of Poliovirus particle
    Simple cuboidal epithelium, digital illustration. — Stock Photo
    Simple cuboidal epithelium, digital illustration.
    Gram-negative plague bacteria Yersinia pestis with bipolar staining, digital illustration. — Stock Photo
    Gram-negative plague bacteria Yersinia pestis with bipolar staining, digital illustration.
    Stratified cuboidal epithelium, digital illustration. — Stock Photo
    Stratified cuboidal epithelium, digital illustration.
    Coronavirus infection, conceptual illustration. — Stock Photo
    Coronavirus infection, conceptual illustration.
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    Human brain damage, digital medical illustration. — Stock Photo
    Human brain damage, digital medical illustration.
    Computer Illustration of a fat cell structure — Stock Photo
    Computer Illustration of a fat cell structure
    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.
    Plumes erupting from Enceladus — Stock Photo
    Plumes erupting from Enceladus
    Antibodies attacking neurons. Conceptual computer illustration of autoimmune neurologic diseases — Stock Photo
    Antibodies attacking neurons. Conceptual computer illustration of autoimmune neurologic diseases
    Digital tunnel, conceptual illustration. — Stock Photo
    Digital tunnel, conceptual illustration.
    Yellow capsules, abstract digital illustration. — Stock Photo
    Yellow capsules, abstract digital illustration.
    Aggregatibacter aphrophilus bacteria, computer illustration. — Stock Photo
    Aggregatibacter aphrophilus bacteria, computer illustration.
    Colored DNA double helix molecule, digital illustration. — Stock Photo
    Colored DNA double helix molecule, digital illustration.
    Red blood cells and leukocytes in cross-section of blood vessel, digital illustration. — Stock Photo
    Red blood cells and leukocytes in cross-section of blood vessel, digital illustration.
    Structure of cellular organelles — Stock Photo
    Structure of cellular organelles
    Covid-19 coronavirus particles, computer illustration — Stock Photo
    Covid-19 coronavirus particles, computer illustration
    Illustration of Staphylococcus aureus (MRSA) coccoid bacteria. Staphylococcus aureus is a Gram-positive bacterium that causes food poisoning, toxic shock syndrome and skin and wound infections such as scalded skin syndrome — Stock Photo
    Illustration of Staphylococcus aureus (MRSA) coccoid bacteria. Staphylococcus aureus is a Gram-positive bacterium that causes food poisoning, toxic shock syndrome and skin and wound infections such as scalded skin syndrome
    Human brain and spinal cord, illustration. — Stock Photo
    Human brain and spinal cord, illustration.
    Human brain with close-up view of neurons, computer illustration. — Stock Photo
    Human brain with close-up view of neurons, computer illustration.
    Computer illustration of bacteria on the surface of intestinal villi — Stock Photo
    Computer illustration of bacteria on the surface of intestinal villi
    Rat bite fever bacteria, computer illustration — Stock Photo
    Rat bite fever bacteria, computer illustration
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus — Stock Photo
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus
    Human digestive system microbiota, 3d illustration. — Stock Photo
    Human digestive system microbiota, 3d illustration.
    Abstract illustration of data network pattern with words and numbers. — Stock Photo
    Abstract illustration of data network pattern with words and numbers.
    Human brain with highlighted temporal lobe and close-up view of neurons located in temporal lobe, computer illustration — Stock Photo
    Human brain with highlighted temporal lobe and close-up view of neurons located in temporal lobe, computer illustration
    Animal cell with mitochondria, digital illustration. — Stock Photo
    Animal cell with mitochondria, digital illustration.
    Cancer invasion into surrounding tissues, conceptual computer illustration. — Stock Photo
    Cancer invasion into surrounding tissues, conceptual computer illustration.
    Female breast anatomy — Stock Photo
    Female breast anatomy
    Human brain limbic system, digital illustration. — Stock Photo
    Human brain limbic system, digital illustration.
    Animal cell during cytokinesis (cell division), illustration. — Stock Photo
    Animal cell during cytokinesis (cell division), illustration.
    Liver with cirrhosis, computer illustration. Cirrhosis is a consequence of chronic liver disease characterized by fibrosis and scarring of tissue — Stock Photo
    Liver with cirrhosis, computer illustration. Cirrhosis is a consequence of chronic liver disease characterized by fibrosis and scarring of tissue
    Human silhouette with infected lungs with Pulmonary blastomycosis and close-up of Blastomyces dermatitidis fungus particles. — Stock Photo
    Human silhouette with infected lungs with Pulmonary blastomycosis and close-up of Blastomyces dermatitidis fungus particles.
    Lyme disease bacteria, digital illustration. — Stock Photo
    Lyme disease bacteria, digital illustration.
    Human papilloma virus (HPV), computer illustration — Stock Photo
    Human papilloma virus (HPV), computer illustration
    Green coli bacteria on plain background, digital illustration. — Stock Photo
    Green coli bacteria on plain background, digital illustration.
    Capsid of hepatitis B virus — Stock Photo
    Capsid of hepatitis B virus
    Group of flagella cholera bacteria, digital illustration. — Stock Photo
    Group of flagella cholera 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
    Virus particles in blood stream, digital illustration. — Stock Photo
    Virus particles in blood stream, digital illustration.
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Red blood cells in blood vessel, digital illustration. — Stock Photo
    Red blood cells in blood vessel, digital illustration.
    3d illustration of a mitochondrion within a cell. Mitochondria are organelles found in the cytoplasm of eukaryotic cells. They oxidase sugars and fats to produce energy — Stock Photo
    3d illustration of a mitochondrion within a cell. Mitochondria are organelles found in the cytoplasm of eukaryotic cells. They oxidase sugars and fats to produce energy
    Spinal cord cross-section — Stock Photo
    Spinal cord cross-section
    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
    Connected dots and lines textured background, digital illustration. — Stock Photo
    Connected dots and lines textured background, digital illustration.
    Cancer cells and blood vessels — Stock Photo
    Cancer cells and blood vessels
    Ebola virus particle in blood stream, digital illustration. — Stock Photo
    Ebola virus particle in blood stream, digital illustration.
    3d illustration of optical light guide cables in different colours with open ends which shining brightly. — Stock Photo
    3d illustration of optical light guide cables in different colours with open ends which shining brightly.
    Human digestive system with Shigellosis infection and close-up of Shigella bacteria. — Stock Photo
    Human digestive system with Shigellosis infection and close-up of Shigella bacteria.
    Bacteria on a hand, conceptual illustration. — Stock Photo
    Bacteria on a hand, conceptual illustration.
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus — Stock Photo
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus
    Human egg cell — Stock Photo
    Human egg cell
    Densovirus virus particles in the bloodstream — Stock Photo
    Densovirus virus particles in the bloodstream
    Simple columnar epithelium, digital illustration. — Stock Photo
    Simple columnar epithelium, digital illustration.
    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Safety of drinking water. Conceptual illustration showing microbes in drop of water from tap. — Stock Photo
    Safety of drinking water. Conceptual illustration showing microbes in drop of water from tap.
    Sperm spermatozoa swimming towards egg cell, colored digital illustration. — Stock Photo
    Sperm spermatozoa swimming towards egg cell, colored digital illustration.