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    Child girl using medical spray for breath. Inhaler. Front view — Stock Photo
    Child girl using medical spray for breath. Inhaler. Front view
    Colored digital illustration of parasitic dust mites. — Stock Photo
    Colored digital illustration of parasitic dust mites.
    Wheat grains in petri dish with laboratory equipment for food research. — Stock Photo
    Wheat grains in petri dish with laboratory equipment for food research.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic 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
    Alternaria fungi on white background, digital illustration. — Stock Photo
    Alternaria fungi on white background, digital illustration.
    Low angle side 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, riding on her bicycle with buildings in the background. — Stock Photo
    Low angle side 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, riding on her bicycle with buildings in the background.
    Caucasian woman spending time at home, wearing a pink dress, sitting on a sofa and holding her laptop computer, putting on a face mask against coronavirus, covid 19. — Stock Photo
    Caucasian woman spending time at home, wearing a pink dress, sitting on a sofa and holding her laptop computer, putting on a face mask against coronavirus, covid 19.
    Cute little boy suffering from cold in bed — Stock Photo
    Cute little boy suffering from cold in bed
    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.
    Stachybotrys fungus on white background, digital illustration. — Stock Photo
    Stachybotrys fungus on white background, digital illustration.
    Boy using inhaler outdoors. — Stock Photo
    Boy using inhaler outdoors.
    Close-up of woman scratching itchy arm. — Stock Photo
    Close-up of woman scratching itchy arm.
    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.
    Side 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 in a city street with suitcase with buildings in the background. — Stock Photo
    Side 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 in a city street with suitcase with buildings in the background.
    Female patient undergoing patch test in allergy clinic. — Stock Photo
    Female patient undergoing patch test in allergy clinic.
    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
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration. — Stock Photo
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration.
    Boy home schooling with a medical mask on to protect from a virus — Stock Photo
    Boy home schooling with a medical mask on to protect from a virus
    Woman across the street with a mask and sunglasses — Stock Photo
    Woman across the street with a mask and sunglasses
    Patient undergoing skin prick test in allergy clinic. — Stock Photo
    Patient undergoing skin prick test in allergy clinic.
    Trichophyton fungi on black background, digital illustration. — Stock Photo
    Trichophyton fungi on black background, digital illustration.
    Toxic mould spores of Stachybotrys chartarum fungus, digital illustration. — Stock Photo
    Toxic mould spores of Stachybotrys chartarum fungus, digital illustration.
    Young woman using inhaler outdoors. — Stock Photo
    Young woman using inhaler outdoors.
    Digital illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Digital illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic 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
    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.
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration. — Stock Photo
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration.
    Dust mite consuming skin flake — Stock Photo
    Dust mite consuming skin flake
    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.
    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.
    Illustration of eosinophil white blood cell with purple lobed nuclei. — Stock Photo
    Illustration of eosinophil white blood cell with purple lobed nuclei.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Woman undergoing allergy patch test with mature doctor. — Stock Photo
    Woman undergoing allergy patch test with mature doctor.
    Light micrograph of Aspergillus sp. Fungus. — Stock Photo
    Light micrograph of Aspergillus sp. Fungus.
    3d illustration of variety of different pollen grains. — Stock Photo
    3d illustration of variety of different pollen grains.
    Asian mature woman blowing nose. — Stock Photo
    Asian mature woman blowing nose.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    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.
    Spring flowers representing unhealthy human lungs, conceptual studio shot. — Stock Photo
    Spring flowers representing unhealthy human lungs, conceptual studio shot.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Close-up of golden grains of wheat, full frame. — Stock Photo
    Close-up of golden grains of wheat, full frame.
    Sick boy getting inhalation treatment in clinic — Stock Photo
    Sick boy getting inhalation treatment in clinic
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic 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.
    Red interleukin cells binding to blue receptor, digital illustration. — Stock Photo
    Red interleukin cells binding to blue receptor, digital illustration.
    Blue colored dust mite, digital illustration. — Stock Photo
    Blue colored dust mite, digital illustration.
    Caucasian woman spending time at home, wearing a face mask against coronavirus, covid 19, sitting by her desk and working, using her laptop and earphones. Social distancing and self isolation in quarantine lockdown. — Stock Photo
    Caucasian woman spending time at home, wearing a face mask against coronavirus, covid 19, sitting by her desk and working, using her laptop and earphones. Social distancing and self isolation in quarantine lockdown.
    Woman blowing nose on tissue. — Stock Photo
    Woman blowing nose on tissue.
    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
    Close-up of equipment for allergy patch test. — Stock Photo
    Close-up of equipment for allergy patch test.
    Filamentous dematiaceous allergenic fungus Alternaria alternata, digital illustration. — Stock Photo
    Filamentous dematiaceous allergenic fungus Alternaria alternata, 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.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Front low angle view of a Caucasian couple out and about in the city, going down in underground station with an escalator, wearing face masks against air pollution and covid19 coronavirus. — Stock Photo
    Front low angle view of a Caucasian couple out and about in the city, going down in underground station with an escalator, wearing face masks against air pollution and covid19 coronavirus.
    Various allergenic food on table, still life. — Stock Photo
    Various allergenic food on table, still life.
    Woman using inhaler — Stock Photo
    Woman using inhaler