This study investigates whether spores from birch rust fungi (Melampsoridium Betulinum = MB) may be the eliciting allergen in patients with seasonal airway allergy during autumn in North Norway. Patients with suspected allergy to MB are compared with non-allergic controls using data about allergic disease and daily allergic symptoms during autumn. Potential variations in allergic symptoms during season will be compared with spread of MB spores. Sensitation to MB and MB allergy are to be tested with skin prick test (SPT), measurements of spesific immunglobulin E (IgE) in serum, passive basophil activation test (pBAT) and nasal provocation test (NPT)
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Allergy to birch rust fungi
Timeframe: 15 th of August 2022 to 1 st of April 2023.
Allergy to birch rust fungi
Timeframe: 15 th of August 2022 to 1 st of April 2023.
Allergy to birch rust fungi
Timeframe: 15 th of August 2022 to 1 st of April 2023.