In the early period of the disease occurred intestinal dysbacteriosis.With the disappearance of diarrhea symptoms, dysbacteriosis was gradually redressed and anaerobes increased quickly.

• 在发病早期即出现肠菌群紊乱，随着腹泻症状消退，肠菌群失调症状逐渐纠正，而且厌氧菌上升速度较快。