If you have to eat somebody’s poop to catch something, I don’t know if that classifies as contagious.
You don’t have to eat poop to get the microbes. After all, producers do fine getting the probiotic organisms into our yogurt products. Will they develop a product to introduce the “skinny” microbes??
If you have to eat somebodys poop to catch something, I dont know if that classifies as contagious.