The invention pertains to the use of a composition in reducing the number of infections episodes and the occurrence of infections in young children, said composition comprising: (a) long chain polyunsaturated fatty acids, wherein the amount of arachidonic acid is less than 0.06 gram per 100 gram fatty acid； and comprising, per 100 g fatty acids: (i) 0.3-0.6 gram docosahexaenoic acid； (ii) 0.2-0.4 gram eicosapentaenoic acid； and (b) between 1.5 and 2.5 gram indigestible oligosaccharides per 100 kcal, comprising: (i) 1.4-2 gram short-chain galactooligosaccharides； and (ii) 0.1 - 0.5 gram long-chain fructopolysaccharides.
