IL4 and malaria: Then, 92 full-text articles were excluded for the following reasons; 18 were IL-4 in uncomplicated malaria only, 13 were IL-4 in pregnancy, 12 with IL-4 data were unavailable, 11 were in vitro studies of IL-4, ten were full-text unavailable, eight reported IL-4 in cord blood, five with IL-4 gene expression, five were conference abstracts, three reported IL-4 in asymptomatic malaria, two were animal studies, two reported IL-4 in tissue section, one study using the same group of participants, one was a review, and one reported IL-4 receptor.