By PPN News Staff
The FDA approved a supplemental Biologics License Application for Fluzone High-Dose Quadrivalent influenza vaccine (Sanofi Pasteur) for use in adults aged 65 years and older.
Fluzone High-Dose Quadrivalent contains an additional influenza B strain over the trivalent influenza vaccine (Fluzone High-Dose, Sanofi Pasteur) approved in 2009, which has two influenza A strains and one influenza B strain.