1,200
Participants
Start Date
March 31, 2012
Primary Completion Date
May 31, 2012
Study Completion Date
August 31, 2012
Influenza Virus Vaccine
Influenza Virus Vaccine 0.5ml intramuscular injections
Influenza Virus Vaccine(contains Preservative)
Influenza Virus Vaccine(contains Preservative)0.5ml intramuscular injections
Dingxing Center for Disease Prevention and Control, Shijiazhuang
Hebei Center for Disease Control and Prevention
UNKNOWN
Institute of Medical Biology, Chinese Academy of Medical Sciences
OTHER