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Prevalence of positive SPTs to the 3 fungal genera Alternaria, Aspergillus, and Cladosporium in the patient subgroup who received SPTs to all 3 fungi in the years 1998–2007 (n = 1,251) and 2008–2017 (n = 1,002). In each column, the proportion of patients with a positive SPT to 1, 2, or all 3 fungal genera is marked. SPT, skin prick test.
