Influenza vaccination in patients with heart failure: a systematic review and meta-analysis of observational studies

Review (6 cohort studies, n=179,158) found influenza vaccination was associated with a lower risk of all-cause mortality (HR=0.83; 95%CI 0.76 to 0.91; I2=75%). However, evidence statements are based on very low grade quality evidence.
Source: Current Awareness Service for Health (CASH) - Category: Consumer Health News Source Type: news