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.
Gastroenterologists have extensive training in the diagnosis and treatment of conditions that affect the esophagus, stomach, small intestine, large intestine (colon), and biliary system (e.g., liver, pancreas, gallbladder, bile ducts). Gastroenterology is a subspecialty of internal medicine. Gastroenterologists have a thorough understanding of how food moves through the digestive tract (called motility) and the physical and chemical break down of food (digestion), including the absorption of nutrients and the removal of waste products.