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    Sick mature woman sneezing into tissue. — Stock Photo
    Sick mature woman sneezing into tissue.
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    3d rendered illustration of dust mite on human skin. — Stock Photo
    3d rendered illustration of dust mite on human skin.
    Abstract male body with sore throat on blue background, conceptual digital illustration. — Stock Photo
    Abstract male body with sore throat on blue background, conceptual digital illustration.
    Illustration of colon inflammation caused by gluten. — Stock Photo
    Illustration of colon inflammation caused by gluten.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Dust mite consuming skin flake — Stock Photo
    Dust mite consuming skin flake
    Parasitic dust mite on white background, digital illustration. — Stock Photo
    Parasitic dust mite on white background, digital illustration.
    Siblings wearing medical masks to protect from corona virus — Stock Photo
    Siblings wearing medical masks to protect from corona virus
    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 blowing nose on tissue. — Stock Photo
    Woman blowing nose on tissue.
    Senior Caucasian man out and about in the city streets during the day, wearing a face mask against coronavirus, covid 19, riding his bicycle. — Stock Photo
    Senior Caucasian man out and about in the city streets during the day, wearing a face mask against coronavirus, covid 19, riding his bicycle.
    Hands of immunologist performing skin prick allergy testing on boy. — Stock Photo
    Hands of immunologist performing skin prick allergy testing on boy.
    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.
    Front view of a mixed race woman with long dark hair sitting at a table in a cafe during the day, wearing a face mask against air pollution and coronavirus, working on a laptop computer with buildings in the background. — Stock Photo
    Front view of a mixed race woman with long dark hair sitting at a table in a cafe during the day, wearing a face mask against air pollution and coronavirus, working on a laptop computer with buildings in the background.
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration. — Stock Photo
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration.
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration. — Stock Photo
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration.
    Senior Caucasian man out and about in the city streets during the day, wearing a face mask against coronavirus, covid 19, using a smartphone. — Stock Photo
    Senior Caucasian man out and about in the city streets during the day, wearing a face mask against coronavirus, covid 19, using a smartphone.
    Stachybotrys toxic mould fruiting structure with spores, digital illustration. — Stock Photo
    Stachybotrys toxic mould fruiting structure with spores, digital illustration.
    Various nuts in test tubes, studio shot. — Stock Photo
    Various nuts in test tubes, studio shot.
    Senior Caucasian man, wearing a face mask against coronavirus, covid 19,, using an escalator in a metro station, talking on his smartphone, and pulling a suitcase. — Stock Photo
    Senior Caucasian man, wearing a face mask against coronavirus, covid 19,, using an escalator in a metro station, talking on his smartphone, and pulling a suitcase.
    3d illustration of variety of different pollen grains. — Stock Photo
    3d illustration of variety of different pollen grains.
    Portrait of a senior Caucasian man out and about in the city streets during the day, wearing a face mask against coronavirus, covid 19. — Stock Photo
    Portrait of a senior Caucasian man out and about in the city streets during the day, wearing a face mask against coronavirus, covid 19.
    Microscopic Dust mites on floor — Stock Photo
    Microscopic Dust mites on floor
    Pink colored digital illustration of parasitic dust mites. — Stock Photo
    Pink colored digital illustration of parasitic dust mites.
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration. — Stock Photo
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    3d illustration of variety of different pollen grains. — Stock Photo
    3d illustration of variety of different pollen grains.
    Preschooler boy using inhaler mask with help of female nurse. — Stock Photo
    Preschooler boy using inhaler mask with help of female nurse.
    Front view close up 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, standing and leaning on her bicycle and using a smartphone — Stock Photo
    Front view close up 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, standing and leaning on her bicycle and using a smartphone
    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.
    Microscopic Dust mites on floor — Stock Photo
    Microscopic Dust mites on floor
    Female immunologist performing skin prick allergy testing on preschooler boy. — Stock Photo
    Female immunologist performing skin prick allergy testing on preschooler boy.
    Patient undergoing a skin prick test in allergy clinic. — Stock Photo
    Patient undergoing a skin prick test in allergy clinic.
    Spring flowers representing healthy human lungs, conceptual studio shot. — Stock Photo
    Spring flowers representing healthy human lungs, conceptual studio shot.
    Senior man sneezing nose with handkerchief on bed at home — Stock Photo
    Senior man sneezing nose with handkerchief on bed at home
    Senior Caucasian man out and about in the city streets during the day, wearing a face mask against coronavirus, covid 19, hailing a taxi. — Stock Photo
    Senior Caucasian man out and about in the city streets during the day, wearing a face mask against coronavirus, covid 19, hailing a taxi.
    Illustration of eosinophil white blood cell with purple lobed nuclei. — Stock Photo
    Illustration of eosinophil white blood cell with purple lobed nuclei.
    Antihistamine tablets and flowers, studio shot. — Stock Photo
    Antihistamine tablets and flowers, studio shot.
    Side view close up 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, standing with hands to her mouth with her bicycle in the background. — Stock Photo
    Side view close up 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, standing with hands to her mouth with her bicycle in the background.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Front view of a mixed race woman with long dark hair out and about in the city streets during the day, wearing a face mask against air pollution and coronavirus, standing on escalator and using a smartphone with metro train station in the background. — Stock Photo
    Front view of a mixed race woman with long dark hair out and about in the city streets during the day, wearing a face mask against air pollution and coronavirus, standing on escalator and using a smartphone with metro train station in the background.
    Mold growing on wallpaper — Stock Photo
    Mold growing on wallpaper
    Still life three face masks and hanging from a coat rack — Stock Photo
    Still life three face masks and hanging from a coat rack
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    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.
    Senior Caucasian man sitting at a table at a coffee terrace, wearing a face mask against coronavirus, covid 19, using a smartphone and laptop computer. — Stock Photo
    Senior Caucasian man sitting at a table at a coffee terrace, wearing a face mask against coronavirus, covid 19, using a smartphone and laptop computer.
    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.
    Senior Caucasian man out and about in the city streets during the day, putting on a face mask against coronavirus, covid 19 — Stock Photo
    Senior Caucasian man out and about in the city streets during the day, putting on a face mask against coronavirus, covid 19
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Stachybotrys toxic mould fruiting structure with spores, digital illustration. — Stock Photo
    Stachybotrys toxic mould fruiting structure with spores, digital illustration.
    Close-up of syringes for allergy patch test. — Stock Photo
    Close-up of syringes for allergy patch test.
    Adult Pubic louse on hair — Stock Photo
    Adult Pubic louse on hair
    Trichophyton fungi on black background, digital illustration. — Stock Photo
    Trichophyton fungi on black background, digital illustration.
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital illustration.
    Microscopic dust mites colony — Stock Photo
    Microscopic dust mites colony
    Blond boy, wearing a respirator and showing stop sign — Stock Photo
    Blond boy, wearing a respirator and showing stop sign
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital illustration.
    Woman scratching her arm. — Stock Photo
    Woman scratching her arm.
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration. — Stock Photo
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration.