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    Composite image of nasal epithelium and pollen. Coloured Scanning Electron Micrograph (SEM) of the surface of nasal epithelium with inhaled in pollen. — Stock Photo
    Composite image of nasal epithelium and pollen. Coloured Scanning Electron Micrograph (SEM) of the surface of nasal epithelium with inhaled in pollen.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Pink colored dust mite, digital illustration. — Stock Photo
    Pink colored dust mite, digital illustration.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Toxic mould spores of Stachybotrys chartarum fungus, digital illustration. — Stock Photo
    Toxic mould spores of Stachybotrys chartarum fungus, digital illustration.
    Close-up of hands with pink gloves holding cleaning materials. — Stock Photo
    Close-up of hands with pink gloves holding cleaning materials.
    Toxic mould spores of Stachybotrys chartarum fungus, digital illustration. — Stock Photo
    Toxic mould spores of Stachybotrys chartarum fungus, digital illustration.
    Blond boy, about 8 years old, wearing a respirator to co-infect himself with a virus — Stock Photo
    Blond boy, about 8 years old, wearing a respirator to co-infect himself with a virus
    Caucasian woman spending time at home self isolating and social distancing in quarantine lockdown during coronavirus covid 19 epidemic, wearing a face mask, standing by a window, using her tablet and covering her mouth while coughing. — Stock Photo
    Caucasian woman spending time at home self isolating and social distancing in quarantine lockdown during coronavirus covid 19 epidemic, wearing a face mask, standing by a window, using her tablet and covering her mouth while coughing.
    Stachybotrys toxic mould fruiting structure with spores, digital illustration. — Stock Photo
    Stachybotrys toxic mould fruiting structure with spores, digital illustration.
    Close-up of immunologist performing skin prick allergy testing on boy. — Stock Photo
    Close-up of immunologist performing skin prick allergy testing on boy.
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration. — Stock Photo
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration.
    Microscopic dust mites colony — Stock Photo
    Microscopic dust mites colony
    Little girl wearing face mask ready for a bicycle ride — Stock Photo
    Little girl wearing face mask ready for a bicycle ride
    Doctor treats children's hands with an antiseptic — Stock Photo
    Doctor treats children's hands with an antiseptic
    Parasitic dust mite on white background, digital illustration. — Stock Photo
    Parasitic dust mite on white background, digital illustration.
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration. — Stock Photo
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration.
    3d illustration of leukocyte cells secreting allergen antibodies while allergy. — Stock Photo
    3d illustration of leukocyte cells secreting allergen antibodies while allergy.
    Spring flowers representing healthy human lungs, conceptual studio shot. — Stock Photo
    Spring flowers representing healthy human lungs, conceptual studio shot.
    Asthma inhaler against white background. — Stock Photo
    Asthma inhaler against white background.
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration. — Stock Photo
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration.
    Young woman with asthma using inhaler — Stock Photo
    Young woman with asthma using inhaler
    Asian grandmother checking for signs of rash on granddaughter arm. — Stock Photo
    Asian grandmother checking for signs of rash on granddaughter arm.
    Blond boy, wearing a respirator and showing one finger — Stock Photo
    Blond boy, wearing a respirator and showing one finger
    Microscopic Dust mites on floor — Stock Photo
    Microscopic Dust mites on floor
    Asthma nebulizer against white background. — Stock Photo
    Asthma nebulizer against white background.
    Hands of doctor performing allergy skin prick test on little boy arm. — Stock Photo
    Hands of doctor performing allergy skin prick test on little boy arm.
    Pollen grain, light micrograph. Pollen grain is the microscopic body that contains the male reproductive cell of a plant. — Stock Photo
    Pollen grain, light micrograph. Pollen grain is the microscopic body that contains the male reproductive cell of a plant.
    Mature woman blowing nose on tissue. — Stock Photo
    Mature woman blowing nose on tissue.
    Mature man sneezing into handkerchief. — Stock Photo
    Mature man sneezing into handkerchief.
    Senior man using a tissue to blowing nose in the bedroom at home — Stock Photo
    Senior man using a tissue to blowing nose in the bedroom at home
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    Business man with protective face mask using phone on city street — Stock Photo
    Business man with protective face mask using phone on city street
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Stachybotrys fungus on black background, digital illustration. — Stock Photo
    Stachybotrys fungus on black background, digital illustration.
    Trichophyton fungi on black background, digital illustration. — Stock Photo
    Trichophyton fungi on black background, digital illustration.
    Spring flowers representing healthy human lungs, conceptual studio shot. — Stock Photo
    Spring flowers representing healthy human lungs, conceptual studio shot.
    Visual rendering of Pollen — Stock Photo
    Visual rendering of Pollen
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Microscopic Dust mites on floor — Stock Photo
    Microscopic Dust mites on floor
    Mast cell releasing histamine during allergic response, digital illustration. — Stock Photo
    Mast cell releasing histamine during allergic response, digital illustration.
    Female doctor measuring with calipers allergic reaction during skin prick test. — Stock Photo
    Female doctor measuring with calipers allergic reaction during skin prick test.
    Mid section of a Caucasian woman spending time at home, sitting by her desk and working using her computer, with a snack and coffee put next to her. Social distancing and self isolation in quarantine lockdown. — Stock Photo
    Mid section of a Caucasian woman spending time at home, sitting by her desk and working using her computer, with a snack and coffee put next to her. Social distancing and self isolation in quarantine lockdown.
    Senior woman using inhaler. — Stock Photo
    Senior woman using inhaler.
    Female doctor putting eye drops into young girl eyes. — Stock Photo
    Female doctor putting eye drops into young girl eyes.
    Blond boy, wearing a respirator and showing stop sign — Stock Photo
    Blond boy, wearing a respirator and showing stop sign
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    Visualization of dust mite — Stock Photo
    Visualization of dust mite
    3d rendered illustration of dust mite on human skin. — Stock Photo
    3d rendered illustration of dust mite on human skin.
    Green colored dust mite, digital illustration. — Stock Photo
    Green colored dust mite, digital illustration.
    Sick mature woman sneezing into tissue. — Stock Photo
    Sick mature woman sneezing into tissue.
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration. — Stock Photo
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration.
    Digital illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Digital illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital illustration.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Front view of a mixed race woman with dark hair out and about in the city streets during the day, wearing a face mask against air pollution and coronavirus, walking with her bicycle with buildings in the background. — Stock Photo
    Front view of a mixed race woman with dark hair out and about in the city streets during the day, wearing a face mask against air pollution and coronavirus, walking with her bicycle with buildings in the background.
    Woman using inhaler — Stock Photo
    Woman using inhaler
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Various nuts in test tubes, studio shot. — Stock Photo
    Various nuts in test tubes, studio shot.