Effect of Starter Formula on Infection Prevention

Inclusion Criteria: * Healthy newborn infant * Full term infant (≥ 37 weeks gestation; ≤ 42 weeks gestation) * Age of infant is ≤ 13 days at the time of enrollment * Birth weight ≥ 2500g and ≤ 4500g * For the FF groups: The infant's mother has elected not to breastfeed * For the BF group: The infant's mother has elected to fully breastfeed her baby, from enrollment to at least 3 months of age * Having obtained his/her legal representative's informed consent Exclusion Criteria: * Congenital illness or malformation that may affect normal growth (especially immunodeficiencies) * Significant pre-natal and/or post-natal diseases * Perinatal antibiotic or infants on antibiotics at the time of inclusion * Infants whose mother has had an acute infection during the last month of pregnancy * Re-hospitalisation for more than 2 days in the first 14 days of life (exceptionally, infants re-hospitalized because of jaundice may be enrolled in the study) * Receiving infant formula containing probiotics and/or prebiotics at the time of enrollment * Newborn whose parents / caregivers cannot be expected to comply with treatment * Newborn currently participating in another interventional clinical trial