What is the strain Bifidobacterium Infantis, and how do I correct this?

Bifidobacterium Infantis is known to be a friendly bacteria and is known to be passed from mother to child during childbirth. It is then known to proliferate and flourish, cultivating an environment, where other friendly bacteria can grow. 

To increase this friendly strain you can consume yogurt containing live cultures, fermented vegetables such as Kimchi, probiotic cheeses, kefir, and buttermilk, as long as well tolerated.