Correspondence to "Bronchiolitis needs a revisit: Distinguishing between virus entities and their treatments".

First, regarding the definitions of bronchiolitis and wheeze, Manti et al state that bronchiolitis and wheezing are profoundly different clinical entities without overlap and therefore require different diagnostic and therapeutic approaches. 4 Lehtinen P, Ruohola A, Vanto T, Vuorinen T, Ruuskanen O, Jartti T. Prednisolone reduces recurrent wheezing after a first wheezing episode associated with rhinovirus infection or eczema. [Extracted from the article]