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    Cropped shot of woman holding inhaler device. — Stock Photo
    Cropped shot of woman holding inhaler device.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Asthma inhaler against white background. — Stock Photo
    Asthma inhaler against white background.
    Light micrograph of Aspergillus sp. Fungus. — Stock Photo
    Light micrograph of Aspergillus sp. Fungus.
    Abstract male body with sore throat on white background, conceptual digital illustration. — Stock Photo
    Abstract male body with sore throat on white background, conceptual digital illustration.
    Blond boy, wearing a respirator and showing one finger — Stock Photo
    Blond boy, wearing a respirator and showing one finger
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Close-up of woman blowing nose with handkerchief — Stock Photo
    Close-up of woman blowing nose with handkerchief
    Abstract male body with sore throat on black background, conceptual digital illustration. — Stock Photo
    Abstract male body with sore throat on black background, conceptual 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
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Still life three face masks and hanging from a coat rack — Stock Photo
    Still life three face masks and hanging from a coat rack
    Sick little boy blowing nose while sitting on hospital bed with female nurse standing nearby — Stock Photo
    Sick little boy blowing nose while sitting on hospital bed with female nurse standing nearby
    Asthma spacer against white background. — Stock Photo
    Asthma spacer against white background.
    Senior woman using asthma inhaler with extension tube. — Stock Photo
    Senior woman using asthma inhaler with extension tube.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Close-up of syringes for allergy patch test. — Stock Photo
    Close-up of syringes for allergy patch test.
    Female doctor smiling and giving eye drops to a little girl in her bed. Home doctor concept — Stock Photo
    Female doctor smiling and giving eye drops to a little girl in her bed. Home doctor concept
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    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.
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant. — Stock Photo
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Eosinophilia blood smear with numerous eosinophils, digital illustration. — Stock Photo
    Eosinophilia blood smear with numerous eosinophils, digital illustration.
    Asthma nebulizer against white background. — Stock Photo
    Asthma nebulizer against white background.
    Mature man sneezing into handkerchief. — Stock Photo
    Mature man sneezing into handkerchief.
    Digital illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Digital illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Siblings wearing medical masks to protect from corona virus — Stock Photo
    Siblings wearing medical masks to protect from corona virus
    Woman blowing nose on tissue. — Stock Photo
    Woman blowing nose on tissue.
    Sick boy getting inhalation treatment in clinic — Stock Photo
    Sick boy getting inhalation treatment in clinic
    Woman using inhaler — Stock Photo
    Woman using inhaler
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Little boy blowing nose in hospital on check up — Stock Photo
    Little boy blowing nose in hospital on check up
    Parasitic dust mite on white background, digital illustration. — Stock Photo
    Parasitic dust mite on white background, digital illustration.
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Female immunologist performing skin prick allergy testing on boy for possible allergen. — Stock Photo
    Female immunologist performing skin prick allergy testing on boy for possible allergen.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Sick boy getting inhalation treatment in clinic — Stock Photo
    Sick boy getting inhalation treatment in clinic
    Wheat grains in petri dish with laboratory equipment for food research. — Stock Photo
    Wheat grains in petri dish with laboratory equipment for food research.
    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.
    Woman using inhaler — Stock Photo
    Woman using inhaler
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Female immunologist wiping boy arm after skin prick allergy testing. — Stock Photo
    Female immunologist wiping boy arm after skin prick allergy testing.
    Green colored dust mite, digital illustration. — Stock Photo
    Green colored dust mite, digital illustration.
    Mature woman blowing nose on tissue. — Stock Photo
    Mature woman blowing nose on tissue.
    Digital illustration of eosinophil white blood cells with lobed nuclei colored in purple. — Stock Photo
    Digital illustration of eosinophil white blood cells with lobed nuclei colored in purple.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Mature man sneezing into handkerchief. — Stock Photo
    Mature man sneezing into handkerchief.
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant. — Stock Photo
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant.
    Abstract male body with sore throat on white background, conceptual digital illustration. — Stock Photo
    Abstract male body with sore throat on white background, conceptual digital illustration.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Female doctor performing allergy skin prick test on little boy with mother in immunologist office. — Stock Photo
    Female doctor performing allergy skin prick test on little boy with mother in immunologist office.
    Female pediatrician performing allergy skin prick test on little boy with mother in immunologist office. — Stock Photo
    Female pediatrician performing allergy skin prick test on little boy with mother in immunologist office.
    3d illustration of variety of different pollen grains. — Stock Photo
    3d illustration of variety of different pollen grains.
    Asian grandmother checking for signs of rash on granddaughter arm. — Stock Photo
    Asian grandmother checking for signs of rash on granddaughter arm.
    Illustration of colon inflammation caused by gluten. — Stock Photo
    Illustration of colon inflammation caused by gluten.
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.