 This meta-analysis found that dual influenza and pneumococcal vaccination in older adults significantly reduces the risk of pneumonia, death, hospitalization, and influenza compared to influenza vaccination alone or placebo, no vaccination. The additive prevented effects of dual vaccination for pneumonia and death were 15% and 19% respectively, while the reduction in pneumonia and death was 24% and 28% respectively. Both vaccines showed acceptable safety profiles with mild or moderate adverse effects.