Results shown for serum IL-7 concentration.

(A) IL-7 serum concentration in healthy newborn of HIV-infected (newborn SR, ■) or HIV-uninfected (newborn UC, ▪) mothers. (B) IL-7 serum concentration in older healthy children of HIV-uninfected (UC children, ▪) or HIV-infected (SR children, ■) mothers. IL-7 serum concentration in vertically HIV-infected children (▨) is shown as well. Mean and SD are shown.