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    Red blood cells and protein, digital illustration. — Stock Photo
    Red blood cells and protein, digital illustration.
    Cannabis plant. Coloured scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant. The pointed hairs are called lithocyst cells. They contain cystoliths (calcium carbonate crystals) — Stock Photo
    Cannabis plant. Coloured scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant. The pointed hairs are called lithocyst cells. They contain cystoliths (calcium carbonate crystals)
    Colored DNA double helix molecule on white background, digital illustration. — Stock Photo
    Colored DNA double helix molecule on white background, digital illustration.
    Abstract lassa virus particles, conceptual digital illustration. — Stock Photo
    Abstract lassa virus particles, conceptual digital illustration.
    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
    3d illustration of intestinal finger-like villi projections extending in lumen of small intestine — Stock Photo
    3d illustration of intestinal finger-like villi projections extending in lumen of small intestine
    Medical illustration of visible spleen in human body. — Stock Photo
    Medical illustration of visible spleen in human body.
    Sperm spermatozoa swimming towards egg cell, colored digital illustration. — Stock Photo
    Sperm spermatozoa swimming towards egg cell, colored digital illustration.
    Aspergilloma of lungs and close-up of Aspergillus fungus, digital illustration. — Stock Photo
    Aspergilloma of lungs and close-up of Aspergillus fungus, digital illustration.
    Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria. — Stock Photo
    Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria.
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar. — Stock Photo
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar.
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar. — Stock Photo
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar.
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Acanthocystis. Coloured scanning electron micrograph (SEM) of a centrohelid heliozoan with tangential plate-scales and radial spines — Stock Photo
    Acanthocystis. Coloured scanning electron micrograph (SEM) of a centrohelid heliozoan with tangential plate-scales and radial spines
    Pneumocystis jirovecii fungus spores causing pneumonia digital illustration. — Stock Photo
    Pneumocystis jirovecii fungus spores causing pneumonia digital illustration.
    Human cell membrane, digital illustration. — Stock Photo
    Human cell membrane, digital illustration.
    Male sex cell — Stock Photo
    Male sex cell
    Smear from oral cavity showing oral trichomonas and buccal epithelial cells, digital illustration. — Stock Photo
    Smear from oral cavity showing oral trichomonas and buccal epithelial cells, digital illustration.
    Colored scanning electron micrograph of immature pig sperm from epididymis. — Stock Photo
    Colored scanning electron micrograph of immature pig sperm from epididymis.
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell. — Stock Photo
    Conceptual 3d illustration of artificial insemination, in vitro fertilization of human egg cell.
    Medical illustration of human cell structure on white background. — Stock Photo
    Medical illustration of human cell structure on white background.
    Insulin binding to insulin receptor — Stock Photo
    Insulin binding to insulin receptor
    Scientist pipetting sample into tube for analytical testing in laboratory. — Stock Photo
    Scientist pipetting sample into tube for analytical testing in laboratory.
    Colored DNA double helix molecule on white background, digital illustration. — Stock Photo
    Colored DNA double helix molecule on white background, digital illustration.
    Male hand opening agar plate for microbiology research. — Stock Photo
    Male hand opening agar plate for microbiology research.
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory.
    Schoolboy using glassware and equipment in school laboratory. — Stock Photo
    Schoolboy using glassware and equipment in school laboratory.
    Giardia intestinalis, trophozoite and cyst, flagellated parasite in small intestine, digital illustration. — Stock Photo
    Giardia intestinalis, trophozoite and cyst, flagellated parasite in small intestine, digital illustration.
    Close-up of BIO lettering from growth culture in agar plate, microbiology concept. — Stock Photo
    Close-up of BIO lettering from growth culture in agar plate, microbiology concept.
    House dust mite — Stock Photo
    House dust mite
    Fertilisation of egg cell with spermatozoa, digital illustration. — Stock Photo
    Fertilisation of egg cell with spermatozoa, digital illustration.
    Green grass growing in plastic cups on laboratory table with microscope for agriculture research. — Stock Photo
    Green grass growing in plastic cups on laboratory table with microscope for agriculture research.
    Group of flagella cholera bacteria, digital illustration. — Stock Photo
    Group of flagella cholera bacteria, digital 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.
    Head louse on human hair — Stock Photo
    Head louse on human hair
    Pneumonia caused by varicella zoster virus, digital illustration. — Stock Photo
    Pneumonia caused by varicella zoster virus, digital illustration.
    Illustration of blood cells in injured artery. — Stock Photo
    Illustration of blood cells in injured artery.
    Female laboratory assistant wearing safety goggles. — Stock Photo
    Female laboratory assistant wearing safety goggles.
    Vibrio vulnificus bacteria found in sea water, colored computer illustration. — Stock Photo
    Vibrio vulnificus bacteria found in sea water, colored computer illustration.
    Eggs of parasitic worm Trichuris trichiura, computer illustration — Stock Photo
    Eggs of parasitic worm Trichuris trichiura, computer illustration
    Chromosomes during cell division — Stock Photo
    Chromosomes during cell division
    Various microbes of different shapes — Stock Photo
    Various microbes of different shapes
    Antibodies attacking cancer cell, computer illustration — Stock Photo
    Antibodies attacking cancer cell, computer illustration
    CRISPR-Cas9 gene editing complex in DNA and cells, conceptual illustration. — Stock Photo
    CRISPR-Cas9 gene editing complex in DNA and cells, conceptual illustration.
    Nipah virus particles, computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs — Stock Photo
    Nipah virus particles, computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs
    Microbiological cultures growing in Petri dishes. — Stock Photo
    Microbiological cultures growing in Petri dishes.
    Single Trichomonas hominis protozoan parasite, digital illustration. — Stock Photo
    Single Trichomonas hominis protozoan parasite, digital illustration.
    Close-up of person hand holding petri dish with liquid for biological research. — Stock Photo
    Close-up of person hand holding petri dish with liquid for biological research.
    Neutrophil and monocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Neutrophil and monocyte white blood cells in blood smear, digital illustration.
    Illustration of female silhouette with highlighted heart infection. — Stock Photo
    Illustration of female silhouette with highlighted heart infection.
    Female scientist holding petri dish with biological cultures. — Stock Photo
    Female scientist holding petri dish with biological cultures.
    Human artery showing artery walls and bloodstream — Stock Photo
    Human artery showing artery walls and bloodstream
    Medical illustration of human cell structure on white background. — Stock Photo
    Medical illustration of human cell structure on white background.
    Healthy human sperm cells — Stock Photo
    Healthy human sperm cells
    Metaphase chromosome structure — Stock Photo
    Metaphase chromosome structure
    Chrysanthemum flower bud, light micrograph. — Stock Photo
    Chrysanthemum flower bud, light micrograph.
    Cryptococcus neoformans fungus, illustration. C. neoformans is a yeast-like fungus that reproduces by budding. An acidic mucopolysaccharide capsule completely encloses the fungus — Stock Photo
    Cryptococcus neoformans fungus, illustration. C. neoformans is a yeast-like fungus that reproduces by budding. An acidic mucopolysaccharide capsule completely encloses the fungus