This study evaluates the safety and immunogenicity of the quadrivalent influenza virus vaccine in healthy people aged years 3-60.Subjects will be randomly divided into 3 groups,receiving the test vaccine, commercially available trivalent influenza vaccine and trivalent influenza vaccine containing new influenza B component respectively. Each group has 800 subjects,2400 in total.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Enrollment
2,400
Evaluate serum antibody titers of quadrivalent influenza Vaccine in healthy people.
The serum antibody titers will be evaluated at 28 days after vaccination.
Time frame: 28 days
Evaluate the Rate of Adverse reactions of quadrivalent influenza Vaccine in healthy people.
Adverse reactions associated with vaccine will be observed in subjects after vaccination. Solicited local adverse events include Pain, Redness, Swelling, Induration, Rash, Pruritus at injection site. solicited general adverse events include Fever, Nausea, Vomiting, Diarrhea, Decreased appetite, Be agitated (irritability, abnormal crying), fatigue, allergy.
Time frame: 28 days
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