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    3d illustration of Pneumocystis jirovecii (formerly known as Pneumocystis carinii) opportunistic yeast-like fungus which causes pneumonia in patients with HIV. — Stock Photo
    3d illustration of Pneumocystis jirovecii (formerly known as Pneumocystis carinii) opportunistic yeast-like fungus which causes pneumonia in patients with HIV.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Close-up of growing dermatophyte fungus, illustration. — Stock Photo
    Close-up of growing dermatophyte fungus, illustration.
    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    Brain infections. Computer illustration of microorganisms that cause encephalitis and meningitis — Stock Photo
    Brain infections. Computer illustration of microorganisms that cause encephalitis and meningitis
    3d illustration of the internal organs of a human body with the cardiovascular and nervous systems and brain. — Stock Photo
    3d illustration of the internal organs of a human body with the cardiovascular and nervous systems and brain.
    Visual render of Virus particle — Stock Photo
    Visual render of Virus particle
    Lyme disease bacteria, digital illustration. — Stock Photo
    Lyme disease bacteria, digital illustration.
    Computer illustration of staphylococci bacteria (Staphylococcus aureus) — Stock Photo
    Computer illustration of staphylococci bacteria (Staphylococcus aureus)
    Digital illustration of budding yeast cells Saccharomyces cerevisiae. — Stock Photo
    Digital illustration of budding yeast cells Saccharomyces cerevisiae.
    Genetic engineering, conceptual illustration — Stock Photo
    Genetic engineering, conceptual illustration
    3d illustration of running human shaped colorful sculpture. — Stock Photo
    3d illustration of running human shaped colorful sculpture.
    Human brain haemorrhage, digital illustration. — Stock Photo
    Human brain haemorrhage, digital illustration.
    Skeletal muscle structure — Stock Photo
    Skeletal muscle structure
    3d illustration of blue colored Meningococcus meningitis bacteria pathogens. — Stock Photo
    3d illustration of blue colored Meningococcus meningitis bacteria pathogens.
    Mimivirus, illustration. Acanthamoeba polyphaga mimivirus (APMV), commonly known as mimivirus, consists of outer hairs, or fibrils, and a protein coat (capsid) enclosing a deoxyribonucleic acid (DNA) genome — Stock Photo
    Mimivirus, illustration. Acanthamoeba polyphaga mimivirus (APMV), commonly known as mimivirus, consists of outer hairs, or fibrils, and a protein coat (capsid) enclosing a deoxyribonucleic acid (DNA) genome
    Cancer cell morphology — Stock Photo
    Cancer cell morphology
    Digital illustration of Acanthamoeba castellanii amoebas on white background. — Stock Photo
    Digital illustration of Acanthamoeba castellanii amoebas on white background.
    DNA molecule on plain background, digital illustration. — Stock Photo
    DNA molecule on plain background, digital illustration.
    Infected human bronchus — Stock Photo
    Infected human bronchus
    Red blood cells in the bloodstream — Stock Photo
    Red blood cells in the bloodstream
    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.
    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
    Varicella zoster (chickenpox) virus, illustration. The virus consists of a lipid membrane envelope with glycoproteins, a protective capsid holding the nucleic acid — Stock Photo
    Varicella zoster (chickenpox) virus, illustration. The virus consists of a lipid membrane envelope with glycoproteins, a protective capsid holding the nucleic acid
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    Spherical and rod-shaped bacteria inside biofilm, digital illustration. — Stock Photo
    Spherical and rod-shaped bacteria inside biofilm, digital illustration.
    Computer illustration of staphylococci bacteria (Staphylococcus aureus) — Stock Photo
    Computer illustration of staphylococci bacteria (Staphylococcus aureus)
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Broadbean pollen grain — Stock Photo
    Broadbean pollen grain
    Cancer cell spreading, digital illustration. — Stock Photo
    Cancer cell spreading, digital illustration.
    Digital illustration of human head anatomy in profile and cross section. — Stock Photo
    Digital illustration of human head anatomy in profile and cross section.
    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.
    Conceptual illustration of chicken eggs in carton and magnification of bacterium of food-borne infection on white background. — Stock Photo
    Conceptual illustration of chicken eggs in carton and magnification of bacterium of food-borne infection on white background.
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Anthrax bacteria, illustration. Anthrax bacteria (Bacillus anthracis) are the cause of the disease anthrax in humans and livestock. They are gram-positive spore producing bacteria arranged in chains (streptobacilli). — Stock Photo
    Anthrax bacteria, illustration. Anthrax bacteria (Bacillus anthracis) are the cause of the disease anthrax in humans and livestock. They are gram-positive spore producing bacteria arranged in chains (streptobacilli).
    Nanomachines working on red and white blood cells, digital illustration. — Stock Photo
    Nanomachines working on red and white blood cells, digital illustration.
    Hepatitis B virus particles in 360-degree panorama view, colored digital illustration. — Stock Photo
    Hepatitis B virus particles in 360-degree panorama view, colored digital illustration.
    Cancer cell, computer illustration — Stock Photo
    Cancer cell, computer illustration
    Plant leaf structure, illustration. Cross-section of a typical plant leaf. In most plants, leaves are the major site of photosynthesis — Stock Photo
    Plant leaf structure, illustration. Cross-section of a typical plant leaf. In most plants, leaves are the major site of photosynthesis
    Cancer cell attacked by T cell — Stock Photo
    Cancer cell attacked by T cell
    Cancer cells with blood vessel formation — Stock Photo
    Cancer cells with blood vessel formation
    3d illustration of sperm cells on colorful blue background. — Stock Photo
    3d illustration of sperm cells on colorful blue background.
    Nanoparticles in blood — Stock Photo
    Nanoparticles in blood
    Conceptual illustration of human microbiome microbes on black background. — Stock Photo
    Conceptual illustration of human microbiome microbes on black background.
    Nanoparticles in blood — Stock Photo
    Nanoparticles in blood
    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    Newborn head and chest anatomy — Stock Photo
    Newborn head and chest anatomy
    3d digital illustration of narrowed blood vessel. — Stock Photo
    3d digital illustration of narrowed blood vessel.
    3d illustration of a Salmonella sp. bacterium showing internal structure — Stock Photo
    3d illustration of a Salmonella sp. bacterium showing internal structure
    Naegleria fowleri amoeba in cerebrospinal fluid, digital illustration. — Stock Photo
    Naegleria fowleri amoeba in cerebrospinal fluid, digital illustration.
    African swine fever virus, illustration. This virus is member of iridovirus group that causes African swine fever, haemorrhagic fever in pigs that has high mortality rate — Stock Photo
    African swine fever virus, illustration. This virus is member of iridovirus group that causes African swine fever, haemorrhagic fever in pigs that has high mortality rate
    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 close-up view of neurons, computer illustration. — Stock Photo
    Human brain with close-up view of neurons, computer illustration.
    Cancer cell, computer illustration — Stock Photo
    Cancer cell, computer illustration
    Artificial intelligence, conceptual illustration — Stock Photo
    Artificial intelligence, conceptual illustration
    Ebola virus particle, digital illustration. — Stock Photo
    Ebola virus particle, digital illustration.
    3d illustration of cancer cell in process of dividing. — Stock Photo
    3d illustration of cancer cell in process of dividing.
    Computer illustration of bacteria on the surface of intestinal villi — Stock Photo
    Computer illustration of bacteria on the surface of intestinal villi
    Human brain, conceptual illustration. — Stock Photo
    Human brain, conceptual illustration.