Impact of national influenza vaccination strategy in severe influenza outcomes among the high-risk Portuguese population

• Main Authors: Ausenda Machado (Author), Irina Kislaya (Author), Amparo Larrauri (Author), Carlos Matias Dias (Author), Baltazar Nunes (Author)
• Format: Book
• Published: BMC, 2019-12-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract Background All aged individuals with a chronic condition and those with 65 and more years are at increased risk of severe influenza post-infection complications. There is limited research on cases averted by the yearly vaccination programs in high-risk individuals. The objective was to esti...