Assessment and evaluation the rotavirus gastroenteritis prevention effect and severe rotavirus diarrhea reducing effectiveness of human body, which inoculate trivalent rotavirus genetic reassortment vaccine.

Inclusion Criteria:

• 6 to 13 weeks aged healthy baby;
• Guardian volunteer to participate in the study and sign informed consent;
• have use thermometer as required and the ability to fill in the diary table;
• Subjects guardian can abide by the requirements of clinical research scheme;
• The past has not been vaccinated rotavirus vaccine;
• Normal term eutocia, birth weight up to standard;
• Axillary temperature is 37.0 ℃ or less.

Exclusion Criteria:

• With allergy, convulsion, epilepsy, encephalopathy and spirit history or the family history;
• Be allergy to any ingredients in the vaccine;
• Known immunology function damage or low person;
• Immunosuppressant therapy Accepter;
• Suffering from congenital malformation and developmental disorder;
• Known or suspected also suffer from diseases including: digestive system disease, respiratory system disease, acute infection, mother or I have HIV infection, cardiovascular diseases, malignant tumor during treatment, skin disease;
• Inoculation other vaccine within 7 days.