Early in life, babies gain billions of viruses that target gut bacteria – but breastfed babies are less likely to pick up viruses that infect human cells
Source:
https://www.newscientist.com/article/2240545-breastfed-babies-have-fewer-viruses-in-their-guts-that-affect-humans/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home