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    Female doctor measuring with calipers allergic reaction during skin prick test. — Stock Photo
    Female doctor measuring with calipers allergic reaction during skin prick test.
    Toxic mould spores of Stachybotrys chartarum fungus, digital illustration. — Stock Photo
    Toxic mould spores of Stachybotrys chartarum fungus, digital illustration.
    Allergenic pet dander on dog hair, colored scanning electron micrograph. — Stock Photo
    Allergenic pet dander on dog hair, colored scanning electron micrograph.
    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.
    Parasitic dust mite on white background, digital illustration. — Stock Photo
    Parasitic dust mite on white background, digital illustration.
    Cladosporium fungi on white background, digital illustration. — Stock Photo
    Cladosporium fungi on white background, digital illustration.
    Common house dust mite — Stock Photo
    Common house dust mite
    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.
    Close-up of immunologist performing skin prick allergy testing on boy. — Stock Photo
    Close-up of immunologist performing skin prick allergy testing on boy.
    Pollen grains from different plants, computer illustration — Stock Photo
    Pollen grains from different plants, computer illustration