Due to antigenic changes of influenza viruses, the virus strains used in influenza vaccines are adjusted every year according to WHO and CPMP recommendations. Immunogenicity and tolerability of the newly composed vaccines are subject for evaluation in a yearly clinical trial in non-elderly adults and elderly subjects (CPMP/BWP/214/96).
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
129
1 dose of Fluvirin 2007/2008 Northern Hemisphere vaccine composition
The Health Centre
Suffolk, United Kingdom
evaluate the antibody response to each influenza vaccine antigen
Time frame: 21 days post-immunization
Safety and tolerability of the study vaccine in the study population
Time frame: Throughout the study
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