One of the responsible for one of the major cases of corruption that stole millions from the government spent only 1 year and half in jail. That guy stole for more than 12 years. Nobody cares. Second, the people in Brazil do not have, in general, political inclinations.
Faecal samples may be collected for microbiological culture if the child has significant associated abdominal pain or blood in the stool, as a bacterial cause of gastroenteritis is more likely. However these results usually don't alter treatment.
What is gastroenterology? Gastroenterology is the study of the functions of the digestive tract including esophagus, stomach, small intestine, colon and rectum, pancreas, gallbladder, bile ducts and liver. This includes such conditions as acid reflux disease, colitis, colon polyps and ulcers.