ENO2 and gastroenteritis: Previous studies showed that there were a large number of nerve cells, enteroglia and neuroendocrine cells in the intestinal wall, as well as a large number of NSE.[38,39] In China, previous study showed that intestines of patients with CWG had fewer probiotics than patients with mild gastroenteritis, and the function of the intestinal mucosal barrier was worse in patients with CWG than in patients with mild gastroenteritis.[40] Another study showed that serum nitric oxide in patients with CWG were significantly higher than patients with FS.