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So ... does this mean we are going to see yogurt with "B. Infantis"? Or is this a infant-only symbiotic strain? Curious.

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Probably not yogurt, but I have run across several probiotics with this particular bacteria present in it. Additionally I have read that yogurt for the most part is pretty useless as a probiotic as your stomach acid kills most of the bacteria in it (also, many yogurts have little live culture in it).

Yoghurt as a probiotic is bad simply because it doesn't contain the right mix of gut bacteria. Typically it's a lactobacillus strain, which is present in our gut, but it's only 1 of millions of strains.

It's not bad, it's insufficient.

But in the stomach, it is my understanding that the bacteria in yogurt can help process the sugars in milk, thus avoiding an excess of sugars in the gut, which might upset the balance of the intestinal flora.

http://www.nytimes.com/1982/05/05/garden/personal-health-enz...

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