Back to today’s briefing

Story perspectives

Same Arm Boosters Supercharge COVID-19 Immune Response

4/29/2025

45 10

Summary

Story summary

A groundbreaking study by researchers at the Garvan and Kirby Institutes in Sydney reveals that getting a vaccine booster in the same arm as the initial dose significantly boosts immune response. This method allows macrophages in lymph nodes to effectively activate memory B cells, resulting in quicker antibody production to combat COVID-19 variants.

1 of 1

Story summary

A groundbreaking study by researchers at the Garvan and Kirby Institutes in Sydney reveals that getting a vaccine booster in the same arm as the initial dose significantly boosts immune response. This method allows macrophages in lymph nodes to effectively activate memory B cells, resulting in quicker antibody production to combat COVID-19 variants.