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    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood. — Stock Photo
    Digital illustration of trypanosome protozoan parasite causing sleeping sickness transmitted by blood.
    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.
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Tongue surface showing papillae — Stock Photo
    Tongue surface showing papillae
    Human ribcage structure — Stock Photo
    Human ribcage structure
    Illustration of the human brain with highlighted superior frontal gyri, also known as marginal gyri. It is located in the frontal lobe and is associated with self-awareness and laughter. — Stock Photo
    Illustration of the human brain with highlighted superior frontal gyri, also known as marginal gyri. It is located in the frontal lobe and is associated with self-awareness and laughter.
    Digital illustration of rod-shaped bacteria inside alveoli of lungs causing pneumonia. — Stock Photo
    Digital illustration of rod-shaped bacteria inside alveoli of lungs causing pneumonia.
    Digital illustration of accentuated red parathyroid glands situated behind thyroid gland in human silhouette. — Stock Photo
    Digital illustration of accentuated red parathyroid glands situated behind thyroid gland in human silhouette.
    Illustration of accentuated red parathyroid glands behind thyroid gland and molecules of parathyroid hormone. — Stock Photo
    Illustration of accentuated red parathyroid glands behind thyroid gland and molecules of parathyroid hormone.
    St. Louis encephalitis virus particles, computer illustration — Stock Photo
    St. Louis encephalitis virus particles, computer illustration
    Skeletal system of person on crutches, digital illustration. — Stock Photo
    Skeletal system of person on crutches, digital illustration.
    Safety of drinking water. Conceptual illustration showing pathogenic viruses in drop of tap water. — Stock Photo
    Safety of drinking water. Conceptual illustration showing pathogenic viruses in drop of tap water.
    Neck muscles and structural anatomy — Stock Photo
    Neck muscles and structural anatomy
    Shoulder joint and bones — Stock Photo
    Shoulder joint and bones
    Normal flora of human intestine, conceptual computer illustration — Stock Photo
    Normal flora of human intestine, conceptual computer illustration
    Fat cells, computer illustration — Stock Photo
    Fat cells, computer illustration
    Acanthamoeba castellanii amoeba in cerebrospinal fluid, digital illustration. — Stock Photo
    Acanthamoeba castellanii amoeba in cerebrospinal fluid, digital illustration.
    Fungus Sporothrix schenckii, causative agent of infection sporotrichosis, computer illustration. Fungal threads of vegetative mycelium are seen, each thread is called hypha, with spores produced from some hyphae — Stock Photo
    Fungus Sporothrix schenckii, causative agent of infection sporotrichosis, computer illustration. Fungal threads of vegetative mycelium are seen, each thread is called hypha, with spores produced from some hyphae
    Group of viruses, computer illustration — Stock Photo
    Group of viruses, computer illustration
    Illustration of rod-shaped and spherical (cocci) bacteria. Rod-shaped bacteria include Escherichia coli, Salmonella, Shigella, Legionella, Mycobacterium, Klebsiella and other species. Spherical bacteria include Staphylococci and Streptococci species — Stock Photo
    Illustration of rod-shaped and spherical (cocci) bacteria. Rod-shaped bacteria include Escherichia coli, Salmonella, Shigella, Legionella, Mycobacterium, Klebsiella and other species. Spherical bacteria include Staphylococci and Streptococci species
    Bacteria and viruses of different shapes, digital illustration. — Stock Photo
    Bacteria and viruses of different shapes, digital illustration.
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Plasmodium falciparum protozoan inside red blood cells, computer illustration — Stock Photo
    Plasmodium falciparum protozoan inside red blood cells, computer illustration
    Nerve cells on blue background, digital illustration. — Stock Photo
    Nerve cells on blue background, digital illustration.
    Close-up of adenovirus infecting human lungs, digital illustration. — Stock Photo
    Close-up of adenovirus infecting human lungs, digital illustration.
    UFO flying above woodland trees, illustration. — Stock Photo
    UFO flying above woodland trees, illustration.
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Human silhouette with Pneumocystis pneumonia and close-up of fungus spores. — Stock Photo
    Human silhouette with Pneumocystis pneumonia and close-up of fungus spores.
    Abstract digital artwork illustration — Stock Photo
    Abstract digital artwork 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
    Medical illustration human head with bones and muscles — Stock Photo
    Medical illustration human head with bones and muscles
    Zika virus particles transmitted by mosquito bite, digital illustration. — Stock Photo
    Zika virus particles transmitted by mosquito bite, digital illustration.
    Vibrio vulnificus bacteria found in sea water, colored computer illustration. — Stock Photo
    Vibrio vulnificus bacteria found in sea water, colored computer illustration.
    Foot with plantar superficial muscles and bone structures — Stock Photo
    Foot with plantar superficial muscles and bone structures
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital illustration.
    Illustration of red and inflamed human appendix and close-up of bacteria causative agents of appendicitis. — Stock Photo
    Illustration of red and inflamed human appendix and close-up of bacteria causative agents of appendicitis.
    Virus particles in blood stream, digital illustration. — Stock Photo
    Virus particles in blood stream, digital illustration.
    Coronavirus particles, computer illustration — Stock Photo
    Coronavirus particles, computer illustration
    Closeup of full frame background of heap of Peruvian groundcherry at daytime — Stock Photo
    Closeup of full frame background of heap of Peruvian groundcherry at daytime
    Daisy pollen grain — Stock Photo
    Daisy pollen grain
    Red blood cells — Stock Photo
    Red blood cells
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Fungus Sporothrix schenckii, causative agent of infection sporotrichosis, computer illustration. Fungal threads of vegetative mycelium are seen, each thread is called hypha, with spores produced from some hyphae — Stock Photo
    Fungus Sporothrix schenckii, causative agent of infection sporotrichosis, computer illustration. Fungal threads of vegetative mycelium are seen, each thread is called hypha, with spores produced from some hyphae
    Realistic digital illustration showing arthritis in human hip. — Stock Photo
    Realistic digital illustration showing arthritis in human hip.
    Human silhouette playing basketball with visible joints, digital illustration. — Stock Photo
    Human silhouette playing basketball with visible joints, digital illustration.
    Side view of cheerful preteen boy and girl in casual clothes and three dimensional glasses sitting back to back against blue background — Stock Photo
    Side view of cheerful preteen boy and girl in casual clothes and three dimensional glasses sitting back to back against blue background
    Probiotic bacteria in normal intestinal microbiota, digital illustration. — Stock Photo
    Probiotic bacteria in normal intestinal microbiota, digital illustration.
    Group of viruses, computer illustration — Stock Photo
    Group of viruses, computer illustration
    Male silhouette with back pain, digital illustration. — Stock Photo
    Male silhouette with back pain, digital illustration.
    Human heart with coronary veins and arteries, digital illustration. — Stock Photo
    Human heart with coronary veins and arteries, digital illustration.
    Hydatid disease in liver caused by larvae of parasitic tapeworm Echinococcus multilocularis, computer illustration — Stock Photo
    Hydatid disease in liver caused by larvae of parasitic tapeworm Echinococcus multilocularis, computer illustration
    Skin cancer cell, computer illustration. — Stock Photo
    Skin cancer cell, computer illustration.
    Digital illustration showing bacteria causing infections of respiratory system, heart and digestive tract, Mycobacterium tuberculosis, Enterococcus faecalis, Salmonella, Shigella. — Stock Photo
    Digital illustration showing bacteria causing infections of respiratory system, heart and digestive tract, Mycobacterium tuberculosis, Enterococcus faecalis, Salmonella, Shigella.
    Whooping cough contagious infectious lungs disease and close-up of Bordetella pertussis bacteria. — Stock Photo
    Whooping cough contagious infectious lungs disease and close-up of Bordetella pertussis bacteria.
    Network, conceptual computer illustration — Stock Photo
    Network, conceptual computer illustration
    Digital illustration showing vaginitis caused by Candida auris fungus and close-up of yeast cells. — Stock Photo
    Digital illustration showing vaginitis caused by Candida auris fungus and close-up of yeast cells.
    Mucor mould, also known as black fungus, computer illustration. Mucor sp. fungi are found in soil and decaying organic matter and are common indoor moulds — Stock Photo
    Mucor mould, also known as black fungus, computer illustration. Mucor sp. fungi are found in soil and decaying organic matter and are common indoor moulds
    Digital artwork of white blood cells attacking green illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking green illuminated cancer cell.
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration