Answer:
Human milk oligosaccharides act as a soluble decoy receptors which is responsible for the blockage of bonds between enteric pathogens and epithelial cells which helps in reducing the risk of infection caused by retrovirus.
Step-by-step explanation:
Human milk oligosaccharides are the sugar molecules which cannot be digested by the body of newly born baby. These sugar molecules remove the harmful viruses which are present in the gut of infant and the baby is save from infection.