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Clinical Trial Summary

To investigate the safety, immunogenicity and immune effect of the Varicella vaccine after the 2nd dose vaccination in Chao yang district, Bei jing, since the 2nd varicella vaccination was promoted by Beijing Center for Disease Control and Prevention in November, 2012.


Clinical Trial Description

"Breakthrough" varicella cases and varicella cases were monitored to evaluate the protective effective in a large population.

Make the basic evaluation of safety for the two dose of varicella vaccination

Monitoring the Varicella virus origin and virus types from illness cases in Chao yang district

Make the evaluation of healthy costs reduce for the varicella emergency vaccination after large number of varicella cases occurred. ;


Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention


Related Conditions & MeSH terms


NCT number NCT01830283
Study type Interventional
Source Beijing Center for Disease Control and Prevention
Contact
Status Enrolling by invitation
Phase Phase 4
Start date April 2013
Completion date April 2018

See also
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