A. alternata, a cosmopolitan saprophyte, is considered one of the most significant sources of fungal allergens worldwide, and it is linked with severe asthma and respiratory status. Among the A. alternata allergens, Alt a 1 is the main sensitizing allergen, and it is useful for healthcare professionals in diagnosing and recommending immunotherapy.

Important note: Minimum volume is 1 mL and 0.5 mL for every additional allergen.