Fluzone High-Dose Quadrivalent is a vaccine. This vaccine is recommended to help protect against influenza (flu) and associated pneumonia in persons aged 60 years and older. For more information ...

We assessed an inactivated quadrivalent influenza vaccine (QIV) containing both B lineages versus TIV in young children. Methods Children aged 18–47 months who had received 2 doses of TIV in a ...

Fluzone quadrivalent vaccine, which is designed to protect against four different flu viruses; two influenza A viruses and two influenza B viruses. It is approved for anyone ages 6 months and older.

Currently, there are two influenza B lineages circulating; in the latest WHO recommendations, it is suggested that a second B strain could be added to give a quadrivalent vaccine. The history of ...