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

Beijing Center for Disease Prevention and Control

Status and phase: Unknown; Phase 4

Conditions: Adverse Reaction to Drug

Treatments: Other: sending message

Study type: Interventional

Funder types: Other

Identifiers

NCT01830257

BJCDPC-7

Details and patient eligibility

About

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.

Full description

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

Enrollment: 1,000 estimated patients

Sex: All

Volunteers: Accepts Healthy Volunteers

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

Trial design

Primary purpose: Prevention

Allocation: N/A

Interventional model: Single Group Assignment

Masking: None (Open label)

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1,000 participants in 1 patient group

sending message

Experimental group

Description:

The investigators would send the tip to the children's guardian

Treatment:

Other: sending message