Maintaining the value of influenza vaccination – the shift from quadrivalent to trivalent vaccines: an expert review

This is the authors' abstract. We don't add key points for this paper.

The move from quadrivalent to trivalent influenza vaccines is a result of findings from strain surveillance. Continued surveillance and targeting of vaccines against strains most commonly in circulation to keep effectiveness high, and ensure the highest value of vaccination is vital to prevent influenza infection and severe illness, thus reducing pressure on healthcare systems and reducing the economic impact of influenza outbreaks.