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.
The investigators will compare the rate between active and inactive surveillance of AEFI
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
PREVENTION
Masking
NONE
Enrollment
1,000
Sending the suggestive short message
Incidence about AEFI
Incidence about AEFI comes from the rate between number of adverse event and the all quantity for immunization about MR and APDT
Time frame: 1.5years
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