Vaccine Research

Booster Doses and Heterologous Vaccine Regimens

Booster doses and heterologous vaccine regimens have become critical in strengthening population-wide protection against evolving viral variants. These strategies aim to enhance both the magnitude and durability of immune responses. Heterologous combinations—using different vaccine platforms—have shown promise in improving long-term immunity by stimulating broader cellular and antibody responses. Booster doses help maintain protective levels of immunity as natural defenses wane over time. This approach plays a vital role in managing pandemics and ensuring sustained public health resilience.