Phase I Clinical Trial of a Candidate PCV13 in Healthy People Aged 6 Weeks and Above

Inclusion Criteria: * healthy subjects of 2 months (minimum 6 weeks), 3 months , 7 months and above; * Willing to provide proof of identity; * Without vaccination history of pneumococcal vaccine; * None-pregnancy or do not plan to pregnancy recently;; * Volunteers of 18 years old and above who have the ability to understand clinical studie progress and sign informed consent; * Volunteers of 8-17 years old and their guardians who willing sign informed consent; * Able to understand and sign the informed consent by their guardians or trustees for the volunteers of 8 years old and below; * Able and willing comply with the requirements of the protocol ; Exclusion Criteria: * Volunteers whose axillary body temperature was \>37.0℃ before vaccination * Volunteers who suffered from Congenital malformation or developmental disorder, genetic defect, severe malnutrition, etc; * Volunteers who has a history of epilepsy, convulsions or psychosis; * -Allergic person; * Any prior administration of blood products in last 3 month; * Any prior administration of other research medicines in last 1 month; * Plans to participate in or is participating in any other drug clinical study; * Any prior administration of attenuated live vaccine in last 14 days; * Any prior administration of subunit or inactivated vaccines in last 7 days; * Had fever before vaccination, Volunteers with temperature \>37.0°C on axillary setting; * According to the investigator's judgement, the subjects have any other factors that make them unfit to enroll the clinical trial