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    Giardia lamblia, a protozoan (cyst stage) found in water contaminated by animal faeces, coloured scanning electron micrograph (SEM). — Stock Photo
    Giardia lamblia, a protozoan (cyst stage) found in water contaminated by animal faeces, coloured scanning electron micrograph (SEM).
    Fumigator in white uniform spraying substance on garden — Stock Photo
    Fumigator in white uniform spraying substance on garden
    Dust mite on skin surface — Stock Photo
    Dust mite on skin surface
    Flatworm Schistosome fluke — Stock Photo
    Flatworm Schistosome fluke
    Dust mite, light micrograph — Stock Photo
    Dust mite, light micrograph
    Man in suit for fumigation pouring chemical into tank — Stock Photo
    Man in suit for fumigation pouring chemical into tank
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Close-up of a mosquito on human skin, Indonesia — Stock Photo
    Close-up of a mosquito on human skin, Indonesia
    Digital illustration of Lyme disease tick parasite. — Stock Photo
    Digital illustration of Lyme disease tick parasite.
    Illustration of small tick biting human skin. — Stock Photo
    Illustration of small tick biting human skin.
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Trypanosoma brucei protozoan — Stock Photo
    Trypanosoma brucei protozoan
    Purple colored dust mite, digital illustration. — Stock Photo
    Purple colored dust mite, digital illustration.
    Chlamydia bacteria, illustration — Stock Photo
    Chlamydia bacteria, illustration
    Dog roundworm parasite — Stock Photo
    Dog roundworm parasite
    Adult scabies mite — Stock Photo
    Adult scabies mite
    Tick on human skin, computer illustration. — Stock Photo
    Tick on human skin, computer illustration.
    Liver fluke. Computer illustration of adult liver fluke (Fasciola hepatica), parasite of sheep, cattle and humans. Humans ingest fluke larvae by eating infested vegetation — Stock Photo
    Liver fluke. Computer illustration of adult liver fluke (Fasciola hepatica), parasite of sheep, cattle and humans. Humans ingest fluke larvae by eating infested vegetation
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Parasitic tick feeding — Stock Photo
    Parasitic tick feeding
    Giardia lamblia flagellated protozoan parasite, digital illustration. — Stock Photo
    Giardia lamblia flagellated protozoan parasite, digital illustration.
    Digital illustration of intestinal parasitic tapeworm with suckers. — Stock Photo
    Digital illustration of intestinal parasitic tapeworm with suckers.
    Closeup of magnified part of black and brown ant with legs — Stock Photo
    Closeup of magnified part of black and brown ant with legs
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae. — Stock Photo
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae.
    3d illustration of a schistosome fluke (Schistosoma mansoni) — Stock Photo
    3d illustration of a schistosome fluke (Schistosoma mansoni)
    3d rendered illustration of dust mite on human skin. — Stock Photo
    3d rendered illustration of dust mite on human skin.
    Dog roundworm parasite — Stock Photo
    Dog roundworm parasite
    Parasitic louse on human head skin, digital illustration. — Stock Photo
    Parasitic louse on human head skin, digital illustration.
    Cryptosporidium parvum parasite in human body causing cryptosporidiosis, digital illustration. — Stock Photo
    Cryptosporidium parvum parasite in human body causing cryptosporidiosis, digital illustration.
    Plasmodium malariae protozoan parasite, digital illustration. — Stock Photo
    Plasmodium malariae protozoan parasite, digital illustration.
    Plasmodium vivax protozoan, computer illustration. — Stock Photo
    Plasmodium vivax protozoan, computer illustration.
    Liver fluke. Computer illustration of adult liver fluke (Fasciola hepatica), parasite of sheep, cattle and humans. Humans ingest fluke larvae by eating infested vegetation — Stock Photo
    Liver fluke. Computer illustration of adult liver fluke (Fasciola hepatica), parasite of sheep, cattle and humans. Humans ingest fluke larvae by eating infested vegetation
    Adult Honeybee mite — Stock Photo
    Adult Honeybee mite
    Giardia lamblia single-celled protozoan parasite in human duodenum, digital artwork. — Stock Photo
    Giardia lamblia single-celled protozoan parasite in human duodenum, digital artwork.
    Cyst of Giardia intestinalis protozoan flagellated parasite in small intestine, digital illustration. — Stock Photo
    Cyst of Giardia intestinalis protozoan flagellated parasite in small intestine, digital illustration.
    Digital illustration of nit egg of human head louse attached to human hair. — Stock Photo
    Digital illustration of nit egg of human head louse attached to human hair.
    Head louse on human hair — Stock Photo
    Head louse on human hair
    Computer illustration of a Demodex sp. mite on the skin of its host. These mites feed on dead skin cells and oils — Stock Photo
    Computer illustration of a Demodex sp. mite on the skin of its host. These mites feed on dead skin cells and oils
    Green colored dust mite, digital illustration. — Stock Photo
    Green colored dust mite, digital illustration.
    Sandbar Shark (Carcharhinus plumbeus) with parasites near its gill slits that was photographed while scuba diving Ni'ihau Island, Hawaii, during the spring; Kauai, Hawaii, United States of America — Stock Photo
    Sandbar Shark (Carcharhinus plumbeus) with parasites near its gill slits that was photographed while scuba diving Ni'ihau Island, Hawaii, during the spring; Kauai, Hawaii, United States of America
    Panoramic illustration of blood vessel with eosinophilia with numerous eosinophils white blood cells, anti-parasite immune system. — Stock Photo
    Panoramic illustration of blood vessel with eosinophilia with numerous eosinophils white blood cells, anti-parasite immune system.
    Specialist in uniform for fumigation holding yellow trolley in yard — Stock Photo
    Specialist in uniform for fumigation holding yellow trolley in yard
    Liver fluke. Computer illustration of adult liver fluke (Fasciola hepatica), parasite of sheep, cattle and humans. Humans ingest fluke larvae by eating infested vegetation — Stock Photo
    Liver fluke. Computer illustration of adult liver fluke (Fasciola hepatica), parasite of sheep, cattle and humans. Humans ingest fluke larvae by eating infested vegetation
    Spore-forming Microsporidia parasite, computer illustration. — Stock Photo
    Spore-forming Microsporidia parasite, computer illustration.
    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    Side view of black glossy flying incest with threatening antennae large eyes and transparent wings — Stock Photo
    Side view of black glossy flying incest with threatening antennae large eyes and transparent wings
    Trypanosoma brucei protozoan — Stock Photo
    Trypanosoma brucei protozoan
    Digital illustration of parasitic hookworm Ancylostoma duodenale in small intestine. — Stock Photo
    Digital illustration of parasitic hookworm Ancylostoma duodenale in small intestine.
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Plasmodium vivax protozoan, computer illustration. — Stock Photo
    Plasmodium vivax protozoan, computer illustration.
    Toilet microbe on contaminated seat surface in water closet, conceptual digital illustration. — Stock Photo
    Toilet microbe on contaminated seat surface in water closet, conceptual digital illustration.
    Microfilaria worms in blood — Stock Photo
    Microfilaria worms in blood
    Leech, coloured scanning electron micrograph (SEM). — Stock Photo
    Leech, coloured scanning electron micrograph (SEM).
    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    Parasitic louse on human head skin, digital illustration. — Stock Photo
    Parasitic louse on human head skin, digital illustration.
    Man in suit for fumigation pouring chemical into tank — Stock Photo
    Man in suit for fumigation pouring chemical into tank
    Lyme disease tick and close-up of Borrelia burgdorferi bacteria, digital illustration. — Stock Photo
    Lyme disease tick and close-up of Borrelia burgdorferi bacteria, digital illustration.
    Head louse on white background, digital illustration. — Stock Photo
    Head louse on white background, digital illustration.
    Digital artwork of abstract pathogenic microorganism in human large intestine. — Stock Photo
    Digital artwork of abstract pathogenic microorganism in human large intestine.