CD40LG and measles: Gender, mother's age (categorically divided into those born before and those after the introduction of EPI), breast-feeding, history of measles, type of birth, low-birth-weight, mother's immunity against measles (presence of IgG antibody) and nutritional status in bivariate analysis were not significantly associated with the presence of measles-specific IgG/IgM antibodies after vaccination (Table 2).