Are Higher Vitamin D Levels Associated with Improved Influenza Vaccine Immunogenicity and Fewer Healthcare Encounters for Respiratory Infections among Young Adults?

摘要

BackgroundInfluenza continues to cause significant morbidity and mortality each year. Vaccination is the primary prevention; however, its effectiveness may be limited even among young, healthy adults. Vitamin D deficiency is highly prevalent and may be associated with poor vaccine immunogenicity and an increased risk for respiratory infections.