Phase Three Clinical Trials of 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.