High-Dose vs Standard-Dose Influenza Vaccine and Cardiovascular Outcomes in Older Adults: Insights from the DANFLU-2 Randomized Clinical Trial and Related Evidence

High-Dose vs Standard-Dose Influenza Vaccine and Cardiovascular Outcomes in Older Adults: Insights from the DANFLU-2 Randomized Clinical Trial and Related Evidence

This review synthesizes evidence on high-dose versus standard-dose influenza vaccines for cardiovascular outcomes in older adults, focusing on the large DANFLU-2 trial and complementary studies, highlighting modest cardiovascular benefits and implications for clinical practice.
High-Dose vs Standard-Dose Influenza Vaccine in Older Adults: Insights from the DANFLU-2 Randomized Clinical Trial

High-Dose vs Standard-Dose Influenza Vaccine in Older Adults: Insights from the DANFLU-2 Randomized Clinical Trial

The DANFLU-2 trial demonstrates that high-dose influenza vaccine reduces cardiovascular and cardiorespiratory hospitalizations compared to standard-dose in adults ≥65 years, with similar benefits across subgroups including heart failure and atherosclerotic cardiovascular disease.