As of 2012 70% of American Indians live in urban areas, up from 45% in 1970 and 8% in 1940. American Indian or Alaska Native ancestry reported in 2010 U.S. Census: 1â million in 5 Southwestern states: California â 1.0% 362,801.
Gastroenteritis or infectious diarrhea is a medical condition from inflammation (-itis) of the gastrointestinal tract that involves both the stomach (gastro -) and the small intestine (entero -).It causes some combination of diarrhea, vomiting, and abdominal pain and cramping.iruses (particularly rotavirus) and the bacteria Escherichia coli and Campylobacter species are the primary causes of gastroenteritis. There are, however, many other infectious agents that can cause this syndrome. Non-infectious causes are seen on occasion, but they are less likely than a viral or bacterial cause.
Gastrointestinal Infections. Viruses cause viral gastroenteritis, commonly called the stomach flu.. This common illness, characterized by diarrhea, nausea and vomiting, is caused by many different viruses, but not the influenza virus.According to a 2012 article in the journal American Family Physician, viruses cause between 75 and 90 percent of acute gastrointestinal disease in children.astrointestinal Infections. Viruses cause viral gastroenteritis, commonly called the stomach flu.. This common illness, characterized by diarrhea, nausea and vomiting, is caused by many different viruses, but not the influenza virus.