Woman and Man
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Extract
- To describe the cellular immune response per age group (adults or elderly) and vaccine group (ID influenza or IM comparator vaccines) before vaccination, and, 7 days, 10 days, 14 days, 21 days, 180 days after vaccination - To describe the humoral immune response per age group and vaccine group before vaccination, 14 days, 21 days, and 180 days after vaccination - To describe mucosal immunity per age group and vaccine group through quantification of influenza-specific IgA (total, specific and sub-classes: IgA1 and IgA2) collected from saliva and serum before vaccination and 10 days, 14 days, 21 days and 180 days after vaccination - To describe the safety of the vaccines per age group and per vaccine group after vaccination
Inclusion criteria
- Vaccination of adult subjects aged 18 to 40 years and elderly subjects aged 60 to 85 years with an inactivated, split-virion influenza vaccine administered via the intradermal route using Vaxigrip® as IM reference vaccine