All subjects will be followed up for 21 days post-randomization. The subjects will further be assessed at 2 days, 7 days, 21 days following the booster vaccination. Blood samples will be collected for reactogenicity and safety and immunogenicity assessments before injection and 21 days after vaccination.
Study of the Reactogenicity, Safety and Immunogenicity of Flu-M Inactivated Split Influenza Vaccine in Volunteers Aged 18-60 Years