Explore Active Surveillance Mode of the Community's Adverse Event Following Immunization(AEFI)

Phase 4

• Conditions: Adverse Reaction to Drug
• Interventions: Other: sending message

• Registration Number: NCT01830257
• Lead Sponsor: Beijing Center for Disease Control and Prevention

Brief Summary

The investigators would remind the guardians of observation after immunization via sending short message and collect the information of AEFI by two ways, short message/telephone and website questionnaire.

Detailed Description

The investigators will compare the rate between active and inactive surveillance of AEFI

Study Timeline

• Study First Submitted: 2013-03-31
• Status Verified: 2013-04
• Study Start: 2013-04
• Study First Submitted QC: 2013-04-11
• Last Update Submitted: 2013-04-11
• Study First Posted: 2013-04-12
• Last Update Posted: 2013-04-12
• Primary Completion: 2013-12
• Study Completion: 2014-06

Recruitment & Eligibility

• Status: UNKNOWN
• Sex: All
• Target Recruitment: 1000

Inclusion Criteria

• According with the regular vaccination
• Immunization the acellular pertussis diphtheria tetanus vaccine and Measles and rubella combined vaccine

Exclusion Criteria

• Disapproval the AEFI information

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: SINGLE_GROUP

Arm && Interventions

Group	Intervention	Description
sending message	sending message	The investigators would send the tip to the children's guardian

Primary Outcome Measures

Name	Time	Method
Incidence about AEFI	1.5years	Incidence about AEFI comes from the rate between number of adverse event and the all quantity for immunization about MR and APDT