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    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    Satellite vehicle in deep space, digital illustration. — Stock Photo
    Satellite vehicle in deep space, digital illustration.
    Illustration of the human brain with highlighted superior frontal gyri, also known as marginal gyri. It is located in the frontal lobe and is associated with self-awareness and laughter. — Stock Photo
    Illustration of the human brain with highlighted superior frontal gyri, also known as marginal gyri. It is located in the frontal lobe and is associated with self-awareness and laughter.
    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.
    Human fetus age 35 weeks — Stock Photo
    Human fetus age 35 weeks
    Computer illustration of staphylococci bacteria (Staphylococcus aureus) — Stock Photo
    Computer illustration of staphylococci bacteria (Staphylococcus aureus)
    Cutibacterium (formerly Propionibacterium) bacteria, computer illustration. These are an example of non-pathogenic bacteria found on human skin, where they are well adapted to the natural acidity. An example is Cutibacterium acnes — Stock Photo
    Cutibacterium (formerly Propionibacterium) bacteria, computer illustration. These are an example of non-pathogenic bacteria found on human skin, where they are well adapted to the natural acidity. An example is Cutibacterium acnes
    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 Nipah viruses binding to receptors on human cells, an initial stage of Nipah infection. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore — Stock Photo
    Illustration of Nipah viruses binding to receptors on human cells, an initial stage of Nipah infection. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore
    Cardiac muscle cells — Stock Photo
    Cardiac muscle cells
    Asteroid impacting Earth, computer illustration — Stock Photo
    Asteroid impacting Earth, computer illustration
    Digital illustration of male silhouette with urinary system, including adrenal gland, kidneys, urinary bladder, ureter, prostate and urethra. — Stock Photo
    Digital illustration of male silhouette with urinary system, including adrenal gland, kidneys, urinary bladder, ureter, prostate and urethra.
    Cancer cell, computer illustration — Stock Photo
    Cancer cell, computer illustration
    Digital illustration of female reproductive system and Chlamydia trachomatis bacteria causing Chlamydial infection. — Stock Photo
    Digital illustration of female reproductive system and Chlamydia trachomatis bacteria causing Chlamydial infection.
    Conceptual illustration of food infection with piece of cake and close-up of Shigella bacteria. — Stock Photo
    Conceptual illustration of food infection with piece of cake and close-up of Shigella bacteria.
    Human hair shafts, digital illustration. — Stock Photo
    Human hair shafts, digital 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.
    Boxer skeletal structure, digital illustration. — Stock Photo
    Boxer skeletal structure, digital illustration.
    Digital illustration of Mycobacterium tuberculosis gram-positive rod-shaped bacteria which causing disease tuberculosis. — Stock Photo
    Digital illustration of Mycobacterium tuberculosis gram-positive rod-shaped bacteria which causing disease tuberculosis.
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Illustration of red and inflamed human appendix and close-up of bacteria causative agents of appendicitis. — Stock Photo
    Illustration of red and inflamed human appendix and close-up of bacteria causative agents of appendicitis.
    Digital illustration showing close-up of ciliate protozoan Balantidium coli intestinal parasite causing balantidiasis ulcer in human intestinal tract. — Stock Photo
    Digital illustration showing close-up of ciliate protozoan Balantidium coli intestinal parasite causing balantidiasis ulcer in human intestinal tract.
    House dust mite — Stock Photo
    House dust mite
    Shoulder blood supply — Stock Photo
    Shoulder blood supply
    Illustration of abnormal red blood cells known as spur cells acanthocytes. — Stock Photo
    Illustration of abnormal red blood cells known as spur cells acanthocytes.
    Computer illustration of Haemophilus influenzae, coccobacillus bacteria — Stock Photo
    Computer illustration of Haemophilus influenzae, coccobacillus bacteria
    Female silhouette with elbow pain, digital illustration. — Stock Photo
    Female silhouette with elbow pain, digital illustration.
    Healthy human brain — Stock Photo
    Healthy human brain
    UFOs flying above barren hills, illustration. — Stock Photo
    UFOs flying above barren hills, illustration.
    Computer illustration of bacteria on the surface of intestinal villi — Stock Photo
    Computer illustration of bacteria on the surface of intestinal villi
    Back pain. Conceptual computer illustration of a human skeleton holding a hand to the lower back. Lower back pain, called lumbago, is very common, and is caused by damage to the muscles and tendons surrounding the spine — Stock Photo
    Back pain. Conceptual computer illustration of a human skeleton holding a hand to the lower back. Lower back pain, called lumbago, is very common, and is caused by damage to the muscles and tendons surrounding the spine
    Human brain, conceptual illustration — Stock Photo
    Human brain, conceptual illustration
    Brontosaurus skeleton against black background, digital illustration. — Stock Photo
    Brontosaurus skeleton against black background, digital illustration.
    Dividing cancerous cells — Stock Photo
    Dividing cancerous cells
    Colored DNA molecule damage on black background, genetic disorder conceptual illustration. — Stock Photo
    Colored DNA molecule damage on black background, genetic disorder conceptual illustration.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    St. Louis encephalitis virus particles, computer illustration — Stock Photo
    St. Louis encephalitis virus particles, computer illustration
    Red blood cells, digital illustration. — Stock Photo
    Red blood cells, digital illustration.
    Lungs in relation to other internal organs — Stock Photo
    Lungs in relation to other internal organs
    Anatomy of human face muscles — Stock Photo
    Anatomy of human face muscles
    Sitting male silhouette with knee pain, digital illustration. — Stock Photo
    Sitting male silhouette with knee pain, digital illustration.
    Red orthomyxovirus particle on yellow background, illustration. — Stock Photo
    Red orthomyxovirus particle on yellow background, illustration.
    House dust mite — Stock Photo
    House dust mite
    Digital artwork of unicellular yeast fungus Candida auris. — Stock Photo
    Digital artwork of unicellular yeast fungus Candida auris.
    Human cell, computer illustration — Stock Photo
    Human cell, computer illustration
    Planet and clouds in space, digital illustration. — Stock Photo
    Planet and clouds in space, digital illustration.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Coronavirus particles, computer illustration — Stock Photo
    Coronavirus particles, computer illustration
    Human spinal pain — Stock Photo
    Human spinal pain
    Human heart with coronary arteries, digital illustration. — Stock Photo
    Human heart with coronary arteries, digital illustration.
    Artwork of human digestive system and close-up of bacteria in small intestine. — Stock Photo
    Artwork of human digestive system and close-up of bacteria in small intestine.
    Digital artwork of Streptococcus pneumoniae bacteria inside alveoli of lung causing pneumonia. — Stock Photo
    Digital artwork of Streptococcus pneumoniae bacteria inside alveoli of lung causing pneumonia.
    3D rendering of human skeleton with internal organs on black background — Stock Photo
    3D rendering of human skeleton with internal organs on black background
    Brain infection caused by Streptococcus pneumoniae bacteria, digital illustration. — Stock Photo
    Brain infection caused by Streptococcus pneumoniae bacteria, digital illustration.
    Esophageal cancer in male body, abstract digital illustration. — Stock Photo
    Esophageal cancer in male body, abstract digital illustration.
    Three dimensional view of the female respiratory system — Stock Photo
    Three dimensional view of the female respiratory system
    Jaw with stylohyoid muscles — Stock Photo
    Jaw with stylohyoid muscles
    Human heart anatomy — Stock Photo
    Human heart anatomy
    Yellow rod-shaped Citrobacter bacteria, digital illustration. — Stock Photo
    Yellow rod-shaped Citrobacter bacteria, digital illustration.
    Running male silhouette with chest pain, digital illustration. — Stock Photo
    Running male silhouette with chest pain, digital illustration.