ALB and asthma: In a recent description of the characteristics of a pediatric population with severe asthma, Konradsen et al9 identified that sensitization to the lipocalins Can f 2 and Equ c 1 was associated with severe asthma, whereas for serum albumins (Fel d 2, Can f 3, and Equ c 3), there was no difference between severe and controlled disease.