It's not contagious.... It is the body's Abnormal response to bacteria or hyper sensitivity to food. Starts with vomitting and then it's diarrhea that is more blood than stool. Very scary. Blood thickens with dehydration which is what is dangerous.
__________________ “Petting, scratching, and cuddling a dog could be as soothing to the mind and heart as deep meditation and almost as good for the soul as prayer.” ― Dean Koontz |