Left or right arm? New research reveals why vaccination site matters for immune response
- New research shows that getting a vaccine booster in the same arm as the original shot can lead to a better immune response, as evidenced by a study from the Garvan Institute of Medical Research.
- The study involved 30 volunteers who received the Pfizer-BioNTech mRNA vaccine, revealing faster production of neutralizing antibodies by those vaccinated in the same arm.
- Co-Senior author Professor Tri Phan emphasized that this discovery could refine vaccination strategies for better immune responses to outbreaks.
- While there are no official guidelines on arm selection, evidence suggests a benefit for vaccine effectiveness according to the study's findings.
14 Articles
14 Articles
Study shows simple way jabs could work better together
A study has revealed a simple method that could improve the efficacy of vaccination booster shots. By Allanah Sciberras Using the same arm for a booster vaccine as for a first dose may help the immune system respond effectively to a disease outbreak. A study published on Tuesday detailed a clinical trial where most volunteers received two vaccination jabs in one arm, and the rest switched arms between shots. Those who received their booster dose…
Why using the same arm for vaccines might boost the body's response
When it comes to getting the most out of a vaccine, arm consistency can make a difference. Some studies suggest that getting a booster in the same arm as the initial shot can boost the immune system’s response. Now, we’re getting clues as to why using the same arm for initial and booster doses might be better for activating the immune system’s response to a vaccine. In a small study published April 28 in the journal Cell, researchers from Austr…

Left or right arm? New research reveals why vaccination site matters for immune response
Sydney scientists have revealed why receiving a booster vaccine in the same arm as your first dose can generate a more effective immune response more quickly. The study, led by the Garvan Institute of Medical Research and the Kirby Institute at UNSW Sydney and published in the journal Cell, offers new insight that could help improve future vaccination strategies.
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- 43% of the sources lean Left, 43% of the sources are Center
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