Below is an instruction from Human. Write a response.
    ### Instruction:
    How to prevent Diarrhea ?
    ### Response:
    Two types of diarrhea can be preventedrotavirus diarrhea and travelers diarrhea.
                
Rotavirus Diarrhea
                
Two oral vaccines have been approved by the U.S. Food and Drug Administration to protect children from rotavirus infections: rotavirus vaccine, live, oral, pentavalent (RotaTeq); and rotavirus vaccine, live, oral (Rotarix).
    