We have previously reported thatper

We have previously reported that
peripheral blood T-cell production of the cytokines IL-4, IFN-γ, and IL-2 at study entry and
at ages 2, 4, and 6 years did not differ between those children who had physician-diagnosed
asthma and those without asthma, whereas those with physician-diagnosed asthma did
demonstrate lower IL-13 expression at 6 years.