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    Close-up of micropipette pipetting blood sample into petri dish. — Stock Photo
    Close-up of micropipette pipetting blood sample into petri dish.
    Group of Trichomonas hominis protozoan parasites, digital illustration. — Stock Photo
    Group of Trichomonas hominis protozoan parasites, digital illustration.
    Close-up of pipetting sample into microcentrifuge tubes. — Stock Photo
    Close-up of pipetting sample into microcentrifuge tubes.
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Female laboratory assistant wearing safety goggles. — Stock Photo
    Female laboratory assistant wearing safety goggles.
    Fertilization of healthy human egg — Stock Photo
    Fertilization of healthy human egg
    Stacked agar plates with microbiological cultures on plain background. — Stock Photo
    Stacked agar plates with microbiological cultures on plain background.
    Hair shafts growing from human skin — Stock Photo
    Hair shafts growing from human skin
    Bronchus with excess mucus — Stock Photo
    Bronchus with excess mucus
    3d rendered illustration of human nerve cell on black background. — Stock Photo
    3d rendered illustration of human nerve cell on black background.
    Salmonella sp. bacteria on tissue surface — Stock Photo
    Salmonella sp. bacteria on tissue surface
    Clostridium bacteria, computer illustration. Clostridia are spore-forming bacteria that include several human pathogenic species, C. difficile, C. tetani, C. botulinum, C. perfringens, and others. C. difficile is a normal inhabitant of the human inte — Stock Photo
    Clostridium bacteria, computer illustration. Clostridia are spore-forming bacteria that include several human pathogenic species, C. difficile, C. tetani, C. botulinum, C. perfringens, and others. C. difficile is a normal inhabitant of the human inte
    Dust mite on skin surface — Stock Photo
    Dust mite on skin surface
    Microbiological culture growing in Petri dish, close-up. — Stock Photo
    Microbiological culture growing in Petri dish, close-up.
    Red blood cells — Stock Photo
    Red blood cells
    HIV viruses infecting T-lymphocyte cell — Stock Photo
    HIV viruses infecting T-lymphocyte cell
    Insulin binding to insulin receptor — Stock Photo
    Insulin binding to insulin receptor
    Whip coral goby fish — Stock Photo
    Whip coral goby fish
    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
    3d illustration of internal structure of human cell. — Stock Photo
    3d illustration of internal structure of human cell.
    Animal cell structure — Stock Photo
    Animal cell structure
    Colored norovirus particles, digital illustration. — Stock Photo
    Colored norovirus particles, digital illustration.
    Conceptual illustration of human microbiome microbes on white background. — Stock Photo
    Conceptual illustration of human microbiome microbes on white background.
    Human skeletal structure — Stock Photo
    Human skeletal structure
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Digital illustration of nerve neurons cells. — Stock Photo
    Digital illustration of nerve neurons cells.
    White blood cells, digital illustration. — Stock Photo
    White blood cells, digital illustration.
    Bacteria and viruses of different shapes, digital illustration. — Stock Photo
    Bacteria and viruses of different shapes, digital illustration.
    Artwork of healthy substantia nigra and close-up of dopaminergic neurons of human brain. — Stock Photo
    Artwork of healthy substantia nigra and close-up of dopaminergic neurons of human brain.
    Covid-19 coronavirus particle, illustration. — Stock Photo
    Covid-19 coronavirus particle, illustration.
    Medical illustration of human cell structure on white background. — Stock Photo
    Medical illustration of human cell structure on white background.
    Green Adenovirus particles, colored digital 3d illustration. — Stock Photo
    Green Adenovirus particles, colored digital 3d illustration.
    Simple columnar epithelium, light micrograph — Stock Photo
    Simple columnar epithelium, light micrograph
    Mycoplasma genitalium parasitic bacteria, digital illustration. — Stock Photo
    Mycoplasma genitalium parasitic bacteria, digital illustration.
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    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.
    Coloured scanning electron micrograph (SEM) of rods (yellow) and cones (green) in the retina of the eye. — Stock Photo
    Coloured scanning electron micrograph (SEM) of rods (yellow) and cones (green) in the retina of the eye.
    Gram-positive Peptostreptococcus bacteria, digital illustration. — Stock Photo
    Gram-positive Peptostreptococcus bacteria, digital illustration.
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    3d illustration of cross-section of hepatitis pathogen with DNA, cell nucleus and receptors. — Stock Photo
    3d illustration of cross-section of hepatitis pathogen with DNA, cell nucleus and receptors.
    Computer illustration of coronavirus particle — Stock Photo
    Computer illustration of coronavirus particle
    Molecular models of antibody structures, digital illustration. — Stock Photo
    Molecular models of antibody structures, digital illustration.
    Female scientists working in laboratory. — Stock Photo
    Female scientists working in laboratory.
    Covid-19 coronavirus particles, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019 — Stock Photo
    Covid-19 coronavirus particles, computer illustration. The new coronavirus SARS-CoV-2 (previously 2019-CoV) emerged in Wuhan, China, in December 2019
    Computer illustration of Candida fungi (yeast). most common representatives of Candida fungi are C. albicans and C. auris with similar morphology. C. albicans is found on skin and mucous membranes of mouth, genitals, respiratory — Stock Photo
    Computer illustration of Candida fungi (yeast). most common representatives of Candida fungi are C. albicans and C. auris with similar morphology. C. albicans is found on skin and mucous membranes of mouth, genitals, respiratory
    Male laboratory assistant using mini centrifuge. — Stock Photo
    Male laboratory assistant using mini centrifuge.
    Acrospaera radiolarian shell — Stock Photo
    Acrospaera radiolarian shell
    Coronavirus particles, computer illustration — Stock Photo
    Coronavirus particles, computer illustration
    Plasmodium malariae protozoan and red blood cells in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoan and red blood cells in blood vessel, computer illustration.
    Bigfin reef squid hovering in dark — Stock Photo
    Bigfin reef squid hovering in dark
    Illustration of female silhouette with highlighted small intestine. — Stock Photo
    Illustration of female silhouette with highlighted small intestine.
    Chlamydia trachomatis bacteria cells, digital illustration. — Stock Photo
    Chlamydia trachomatis bacteria cells, digital illustration.
    Faecalibacterium prausnitzii bacteria, digital illustration. — Stock Photo
    Faecalibacterium prausnitzii bacteria, digital illustration.
    Brain mucormycosis, a brain lesion caused by Mucor sp. fungi, also known as black fungus, with closeup view of fungi, computer illustration. Mucor sp. fungi are found in soil and decaying organic matter and are common indoor moulds — Stock Photo
    Brain mucormycosis, a brain lesion caused by Mucor sp. fungi, also known as black fungus, with closeup view of fungi, computer illustration. Mucor sp. fungi are found in soil and decaying organic matter and are common indoor moulds
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes — Stock Photo
    Biotechnology or biotech, concept of creation, division and cellular development. High organic technology with productive purposes
    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
    Visual rendering of Human cells — Stock Photo
    Visual rendering of Human cells
    Stacks of Petri dishes with cultured agar on plain background. — Stock Photo
    Stacks of Petri dishes with cultured agar on plain background.
    Chlamydia trachomatis bacteria cells, digital illustration. — Stock Photo
    Chlamydia trachomatis bacteria cells, digital illustration.