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    Measles virus particles, digital illustration. — Stock Photo
    Measles virus particles, digital illustration.
    Toilet seat microbes, conceptual digital illustration. — Stock Photo
    Toilet seat microbes, conceptual digital illustration.
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    3d illustration of a lysosome organelle within a eukaryotic cell. Lysosomes are enzyme-filled vesicles that break down waste material, foreign bodies and cellular debris. — Stock Photo
    3d illustration of a lysosome organelle within a eukaryotic cell. Lysosomes are enzyme-filled vesicles that break down waste material, foreign bodies and cellular debris.
    Brain infections. Computer illustration of microorganisms that cause encephalitis and meningitis — Stock Photo
    Brain infections. Computer illustration of microorganisms that cause encephalitis and meningitis
    Hypodermic needle and blood, computer illustration — Stock Photo
    Hypodermic needle and blood, computer illustration
    Chromatin, illustration. Chromatin is condensed form of DNA (deoxyribonucleic acid) and proteins found in cell nucleus — Stock Photo
    Chromatin, illustration. Chromatin is condensed form of DNA (deoxyribonucleic acid) and proteins found in cell nucleus
    Human embryonic stem cell on pin tip, conceptual digital artwork. — Stock Photo
    Human embryonic stem cell on pin tip, conceptual digital artwork.
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells — Stock Photo
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells
    Kidneys in relation to other internal organs — Stock Photo
    Kidneys in relation to other internal organs
    Antibodies attacking neurons. Conceptual computer illustration of autoimmune neurologic diseases — Stock Photo
    Antibodies attacking neurons. Conceptual computer illustration of autoimmune neurologic diseases
    UFOs flying over highway and forest trees, illustration. — Stock Photo
    UFOs flying over highway and forest trees, illustration.
    Digital illustration of trypanosome parasite in blood causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasite in blood causing Chagas disease.
    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 human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Digital illustration of trypanosome parasite in blood causing Chagas disease. — Stock Photo
    Digital illustration of trypanosome parasite in blood causing Chagas disease.
    Digital illustration of rod-shaped bacteria colony. — Stock Photo
    Digital illustration of rod-shaped bacteria colony.
    Measles virus particles budding from cells, digital illustration. — Stock Photo
    Measles virus particles budding from cells, digital illustration.
    Human papilloma virus (HPV), computer illustration — Stock Photo
    Human papilloma virus (HPV), computer illustration
    Digital illustration of human small intestine on plain background. — Stock Photo
    Digital illustration of human small intestine on plain background.
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Cancer cell with filaments — Stock Photo
    Cancer cell with filaments
    Transparent cells on white background, digital illustration. — Stock Photo
    Transparent cells on white background, 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
    Pyramidal neurons (nerve cells) of human brain frontal cortex, computer illustration — Stock Photo
    Pyramidal neurons (nerve cells) of human brain frontal cortex, computer illustration
    Conceptual illustration of human microbiome microbes on white background. — Stock Photo
    Conceptual illustration of human microbiome microbes on white background.
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    Oral trichomonas parasites, digital illustration. — Stock Photo
    Oral trichomonas parasites, digital illustration.
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    3d illustration of lymphocytes attacking cancer cells in human body. — Stock Photo
    3d illustration of lymphocytes attacking cancer cells in human body.
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer 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.
    3d illustration of constricted and narrowed artery while arteriosclerosis. — Stock Photo
    3d illustration of constricted and narrowed artery while arteriosclerosis.
    Computer illustration of unicellular yeast fungus Candida auris. — Stock Photo
    Computer illustration of unicellular yeast fungus Candida auris.
    Migrating breast cancer cell, digital 3d illustration. — Stock Photo
    Migrating breast cancer cell, digital 3d illustration.
    Coronavirus infection, conceptual illustration. — Stock Photo
    Coronavirus infection, conceptual illustration.
    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    Bacterial brain infection. Conceptual computer illustration showing Streptococcus pneumoniae bacteria, one of the main causes of bacterial meningitis and meningoencephalitis, infecting brain cells — Stock Photo
    Bacterial brain infection. Conceptual computer illustration showing Streptococcus pneumoniae bacteria, one of the main causes of bacterial meningitis and meningoencephalitis, infecting brain cells
    Human papilloma virus (HPV), computer illustration. HPV causes warts, which mostly occur on hands and feet. Certain strains also infect genitals. Although most warts are non-malignant (not cancerous), some strains of HPV have been associated — Stock Photo
    Human papilloma virus (HPV), computer illustration. HPV causes warts, which mostly occur on hands and feet. Certain strains also infect genitals. Although most warts are non-malignant (not cancerous), some strains of HPV have been associated
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Dead, dying and healthy red blood cells, conceptual digital illustration. — Stock Photo
    Dead, dying and healthy red blood cells, conceptual digital illustration.
    Illustration of low density cholesterol lipoprotein in bloodstream. — Stock Photo
    Illustration of low density cholesterol lipoprotein in bloodstream.
    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.
    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.
    Digital illustration showing red blood cells, platelets, neutrophils, monocyte and lymphocytes in normal blood smear. — Stock Photo
    Digital illustration showing red blood cells, platelets, neutrophils, monocyte and lymphocytes in normal blood smear.
    Illustration of condiophores of fungus Aspergillus fumigatus — Stock Photo
    Illustration of condiophores of fungus Aspergillus fumigatus
    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
    3d illustration of cancer cells connecting to tissue. — Stock Photo
    3d illustration of cancer cells connecting to tissue.
    Human respiratory system, illustration. — Stock Photo
    Human respiratory system, illustration.
    Flu virus, computer illustration — Stock Photo
    Flu virus, 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
    Human brain nerve cell, computer illustration. — Stock Photo
    Human brain nerve cell, computer illustration.
    Spherical and rod-shaped bacteria inside biofilm, 360 degree panorama, digital illustration. — Stock Photo
    Spherical and rod-shaped bacteria inside biofilm, 360 degree panorama, digital illustration.
    Covid-19 coronavirus particles, computer illustration — Stock Photo
    Covid-19 coronavirus particles, computer illustration
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    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.
    Structure of alveoli of human lungs — Stock Photo
    Structure of alveoli of human lungs
    Tanker ship in water, high angle illustration. — Stock Photo
    Tanker ship in water, high angle illustration.