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    Grivet monkeys playing on ground. — Stock Photo
    Grivet monkeys playing on ground.
    Giardia lamblia single-celled protozoan parasite in human duodenum, digital artwork. — Stock Photo
    Giardia lamblia single-celled protozoan parasite in human duodenum, digital artwork.
    Long horned bee sleeping on thin branch. — Stock Photo
    Long horned bee sleeping on thin branch.
    Horse skeleton model with detailed Teres major muscle, digital illustration. — Stock Photo
    Horse skeleton model with detailed Teres major muscle, digital 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
    Immature parasitic trematode — Stock Photo
    Immature parasitic trematode
    Parasitic louse on human head skin, digital illustration. — Stock Photo
    Parasitic louse on human head skin, digital illustration.
    Dog silhouette with visible skeleton on white background, digital illustration. — Stock Photo
    Dog silhouette with visible skeleton on white background, digital illustration.
    Halictid bee sitting on blossom of wild plant. — Stock Photo
    Halictid bee sitting on blossom of wild plant.
    Yellow French grunt fish swimming in water, close-up. — Stock Photo
    Yellow French grunt fish swimming in water, close-up.
    Domestic dog barking at sea lion of coast of Chile. — Stock Photo
    Domestic dog barking at sea lion of coast of Chile.
    Microscopic dust mites colony — Stock Photo
    Microscopic dust mites colony
    African mantis in threatening pose — Stock Photo
    African mantis in threatening pose
    Horse anatomy with visible internal organs, computer illustration. — Stock Photo
    Horse anatomy with visible internal organs, computer illustration.
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake — Stock Photo
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake
    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
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Slender crab spider hiding on thin grass. — Stock Photo
    Slender crab spider hiding on thin grass.
    Parasitic Tick feeding — Stock Photo
    Parasitic Tick feeding
    Dog anatomy with internal organs, digital illustration. — Stock Photo
    Dog anatomy with internal organs, digital illustration.
    Dog silhouette with visible skeleton on blue background, digital illustration. — Stock Photo
    Dog silhouette with visible skeleton on blue background, digital illustration.
    Dust mites, computer illustration — Stock Photo
    Dust mites, computer illustration
    Dog silhouette with red colored small intestine on black background, digital illustration. — Stock Photo
    Dog silhouette with red colored small intestine on black background, digital illustration.
    Structure of dog musculature, computer illustration. — Stock Photo
    Structure of dog musculature, computer illustration.
    Head louse on human hair, digital illustration. — Stock Photo
    Head louse on human hair, digital illustration.
    Close-up of devils coach horse beetle with large mandibles. — Stock Photo
    Close-up of devils coach horse beetle with large mandibles.
    Common house dust mite — Stock Photo
    Common house dust mite
    Veins in transparent dog body, anatomical computer illustration. — Stock Photo
    Veins in transparent dog body, anatomical computer illustration.
    Hindleg detail of parasitic Brachymeria femorata wasp. — Stock Photo
    Hindleg detail of parasitic Brachymeria femorata wasp.
    White pelican in flight with blue sky background. — Stock Photo
    White pelican in flight with blue sky background.
    Parasitic dust mite on white background, digital illustration. — Stock Photo
    Parasitic dust mite on white background, digital illustration.
    Arteries in transparent dog body, cropped, anatomical computer illustration. — Stock Photo
    Arteries in transparent dog body, cropped, anatomical computer illustration.
    Adult Bluebottle fly — Stock Photo
    Adult Bluebottle fly
    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
    Dog silhouette with visible skeleton on white background, digital illustration. — Stock Photo
    Dog silhouette with visible skeleton on white background, digital illustration.
    Veterinarians examining a cat — Stock Photo
    Veterinarians examining a cat
    Digital illustration of parasitic Ancylostoma duodenale hookworms. — Stock Photo
    Digital illustration of parasitic Ancylostoma duodenale hookworms.
    Parasitic dust mite on white background, digital illustration. — Stock Photo
    Parasitic dust mite on white background, digital illustration.
    Green carabid beetle sitting on yellow lichen-covered branch. — Stock Photo
    Green carabid beetle sitting on yellow lichen-covered branch.
    Enterobius vermicularis threadworm eggs containing worm larvae, causative agent of enterobiasis, computer illustration. — Stock Photo
    Enterobius vermicularis threadworm eggs containing worm larvae, causative agent of enterobiasis, computer illustration.
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Mating gymnosoma flies mating on wild plant. — Stock Photo
    Mating gymnosoma flies mating on wild plant.
    Dog silhouette with red colored gallbladder on black background, digital illustration. — Stock Photo
    Dog silhouette with red colored gallbladder on black background, digital 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
    Dog silhouette with red colored liver on black background, digital illustration. — Stock Photo
    Dog silhouette with red colored liver on black background, digital illustration.
    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.
    Snouted treefrog (Scinax fuscovarius). This species is widespread in southern, south-eastern and central Brazil as well as in eastern Bolivia, Paraguay, northern Argentina, and northern Uruguay — Stock Photo
    Snouted treefrog (Scinax fuscovarius). This species is widespread in southern, south-eastern and central Brazil as well as in eastern Bolivia, Paraguay, northern Argentina, and northern Uruguay
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Tiger moth perched on dried leaf. — Stock Photo
    Tiger moth perched on dried leaf.
    Close-up of moth larva in cocoon on plant branch. — Stock Photo
    Close-up of moth larva in cocoon on plant branch.
    Two zebras standing on meadow Serengeti, Tanzania. — Stock Photo
    Two zebras standing on meadow Serengeti, Tanzania.
    Horse skeleton model with detailed Tibialis cranialis muscle, digital illustration. — Stock Photo
    Horse skeleton model with detailed Tibialis cranialis muscle, digital illustration.
    Top view of dead mouse in Petri dish. — Stock Photo
    Top view of dead mouse in Petri dish.
    Coloured scanning electron micrograph (SEM) of a tardigrade (Macrobiotus sp.), or water bear. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a tardigrade (Macrobiotus sp.), or water bear.
    Close-up of harlequin ladybird sitting on grass spike. — Stock Photo
    Close-up of harlequin ladybird sitting on grass spike.
    Babesia parasites inside red blood cell, computer illustration — Stock Photo
    Babesia parasites inside red blood cell, computer illustration
    Enterobius vermicularis threadworm eggs containing worm larvae, causative agent of enterobiasis, computer illustration. — Stock Photo
    Enterobius vermicularis threadworm eggs containing worm larvae, causative agent of enterobiasis, computer illustration.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Male mosquito head — Stock Photo
    Male mosquito head
    Horse skeleton model with detailed Zygomaticus brachii muscle, digital illustration. — Stock Photo
    Horse skeleton model with detailed Zygomaticus brachii muscle, digital illustration.