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    Plant biotechnology and research — Stock Photo
    Plant biotechnology and research
    Prevention of transplacental HIV transmission to human embryo from infected mother, conceptual illustration. — Stock Photo
    Prevention of transplacental HIV transmission to human embryo from infected mother, conceptual illustration.
    Digital illustration of chains of Streptobacillus moniliformis rat bite fever bacteria. — Stock Photo
    Digital illustration of chains of Streptobacillus moniliformis rat bite fever bacteria.
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Human fetus at week 14, computer illustration. — Stock Photo
    Human fetus at week 14, computer illustration.
    Bifidobacterium bacteria, computer illustration. Bifidobacteria are Gram-positive anaerobic bacteria that live in gastrointestinal tract, vagina and mouth — Stock Photo
    Bifidobacterium bacteria, computer illustration. Bifidobacteria are Gram-positive anaerobic bacteria that live in gastrointestinal tract, vagina and mouth
    Nipah virus in lungs, conceptual 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 in lungs, conceptual 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
    Basophil white blood cell, digital illustration. — Stock Photo
    Basophil white blood cell, digital 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
    Medical illustration of human cell structure on white background. — Stock Photo
    Medical illustration of human cell structure on white background.
    Colonies of Penicillium fungi grown on Sabouraud Dextrose Agar and digital illustration of fungal morphology. — Stock Photo
    Colonies of Penicillium fungi grown on Sabouraud Dextrose Agar and digital illustration of fungal morphology.
    Composite image of nasal epithelium and pollen. Coloured Scanning Electron Micrograph (SEM) of the surface of nasal epithelium with inhaled in pollen. — Stock Photo
    Composite image of nasal epithelium and pollen. Coloured Scanning Electron Micrograph (SEM) of the surface of nasal epithelium with inhaled in pollen.
    Basophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Basophil white blood cell and red blood cells, digital illustration.
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Group of Trichomonas hominis protozoan parasites, digital illustration. — Stock Photo
    Group of Trichomonas hominis protozoan parasites, digital illustration.
    Digital molecular model of secondary structure of immunoglobulin G antibody. — Stock Photo
    Digital molecular model of secondary structure of immunoglobulin G antibody.
    3d illustration of flu pathogen in cross-section. — Stock Photo
    3d illustration of flu pathogen in cross-section.
    Skin cancer cell — Stock Photo
    Skin cancer cell
    Computer illustration of yeast and hyphae stages of Candida fungi — Stock Photo
    Computer illustration of yeast and hyphae stages of Candida fungi
    Digital illustration of Mycobacterium leprae gram-positive rod-shaped bacteria, causative agent of disease leprosy. — Stock Photo
    Digital illustration of Mycobacterium leprae gram-positive rod-shaped bacteria, causative agent of disease leprosy.
    Neutrophil and monocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Neutrophil and monocyte white blood cells in blood smear, digital illustration.
    Realistic human heart and blood vessels on white background, digital illustration. — Stock Photo
    Realistic human heart and blood vessels on white background, digital illustration.
    Fibrous-cavernous pulmonary tuberculosis and close-up of Mycobacterium tuberculosis bacteria. — Stock Photo
    Fibrous-cavernous pulmonary tuberculosis and close-up of Mycobacterium tuberculosis bacteria.
    Human embryo cell, digital illustration. — Stock Photo
    Human embryo cell, digital illustration.
    Micrococcus luteus bacteria on surface of nutrient medium in Petri dish. — Stock Photo
    Micrococcus luteus bacteria on surface of nutrient medium in Petri dish.
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Group of cysts of Giardia intestinalis protozoans flagellated parasites in small intestine, digital illustration. — Stock Photo
    Group of cysts of Giardia intestinalis protozoans flagellated parasites in small intestine, digital illustration.
    Coronavirus particle, computer illustration — Stock Photo
    Coronavirus particle, computer illustration
    Visual render of SARS virus — Stock Photo
    Visual render of SARS virus
    Intestinal microvilli. Coloured scanning electron micrograph (SEM) of microvilli from the small intestine. These tiny structures form a dense brush-like covering on the absorptive surfaces of the cells lining the small intestine — Stock Photo
    Intestinal microvilli. Coloured scanning electron micrograph (SEM) of microvilli from the small intestine. These tiny structures form a dense brush-like covering on the absorptive surfaces of the cells lining the small intestine
    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). Many cells have a central spore. — 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). Many cells have a central spore.
    Herpes Simplex virus structure, digital illustration. — Stock Photo
    Herpes Simplex virus structure, 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.
    Abstract DNA molecules, digital illustration. — Stock Photo
    Abstract DNA molecules, digital illustration.
    Penicillium fungus, Computer illustration — Stock Photo
    Penicillium fungus, Computer illustration
    Mucor mould, also known as black fungus, computer illustration — Stock Photo
    Mucor mould, also known as black fungus, computer illustration
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Obelia hydrozoan medusa. Light micrograph (LM) of a medusa (young polyp) from the Obelia geniculata hydroid. — Stock Photo
    Obelia hydrozoan medusa. Light micrograph (LM) of a medusa (young polyp) from the Obelia geniculata hydroid.
    Computer illustration of co-infection with two major respiratory pathogenic bacteria, Mycobacterium tuberculosis (rod-shaped) and Streptococcus pneumonia (spherical) — Stock Photo
    Computer illustration of co-infection with two major respiratory pathogenic bacteria, Mycobacterium tuberculosis (rod-shaped) and Streptococcus pneumonia (spherical)
    Acrospaera radiolarian shell — Stock Photo
    Acrospaera radiolarian shell
    Nanoparticles in blood — Stock Photo
    Nanoparticles in blood
    DNA molecule, abstract scientific illustration. — Stock Photo
    DNA molecule, abstract scientific illustration.
    Laboratory worker pipetting liquid into microcentrifuge tube. — Stock Photo
    Laboratory worker pipetting liquid into microcentrifuge tube.
    Light micrograph of red blood cells (erythrocytes, red) in a blood vessel. — Stock Photo
    Light micrograph of red blood cells (erythrocytes, red) in a blood vessel.
    HIV human immunodeficiency virus in bloodstream, digital illustration — Stock Photo
    HIV human immunodeficiency virus in bloodstream, digital illustration
    Close-up of hands of female scientist working in laboratory with pipette and flask. — Stock Photo
    Close-up of hands of female scientist working in laboratory with pipette and flask.
    Lassa virus particles, digital illustration. — Stock Photo
    Lassa virus particles, digital illustration.
    Illustration of human foetus on week 8 on blue background. — Stock Photo
    Illustration of human foetus on week 8 on blue background.
    Digital 3d colored illustration of cancer cell in process of mitosis. — Stock Photo
    Digital 3d colored illustration of cancer cell in process of mitosis.
    Technician collecting equipment from transfer hatch in sterile laboratory. — Stock Photo
    Technician collecting equipment from transfer hatch in sterile laboratory.
    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.
    Human heart model on white background, computer illustration. — Stock Photo
    Human heart model on white background, computer illustration.
    Human fetus developing at week 28, computer illustration. — Stock Photo
    Human fetus developing at week 28, computer illustration.
    Cancer cell with filaments — Stock Photo
    Cancer cell with filaments
    Researcher handling stem cell cultures in laboratory during research. — Stock Photo
    Researcher handling stem cell cultures in laboratory during research.
    Embryonic stem cells — Stock Photo
    Embryonic stem cells
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration. — Stock Photo
    Female reproductive system and Gardnerella vaginalis bacteria attached to vaginal epithelial cells causing bacterial vaginosis, digital illustration.
    Male laboratory assistant using mini centrifuge. — Stock Photo
    Male laboratory assistant using mini centrifuge.
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red).
    Ribonucleic acid (RNA) chain, 3d illustration. — Stock Photo
    Ribonucleic acid (RNA) chain, 3d illustration.