The Safety and Immunogenicity Evaluation of Live Attenuated Influenza Vaccine

Inclusion Criteria:

• Healthy volunteers aged in 3-59 years old
• Had not received vaccination of Influenza vaccine in the past one year
• Had not infected with Influenza virus
• This trail has been agreed by volunteers or his/her legal guardian
• Volunteers or his/her legal guardian will fellow this trail protocol

Exclusion Criteria:

• People with fever before vaccination, temperature higher than 37.0 #
• Females in suckling period, pregnancy (pregnancy test positive) or prepared to be pregnant
• People given whole blood, plasma or immunoglobulin therapy within 3 months before vaccination
• According to judgement of researchers, the subjects have any other factors that are not appropriate for this clinical trials
• Acute infectious disease or acute attack of chronic disease before inoculation
• People get any vaccine within 14 days before the trial
• People in immune deficiency or diagnosed with congenital or acquired immunodeficiency, people with immunosuppressive therapy in the past six months
• People with epilepsy or a history of mental illness