Skip to main content

Slow Vaccine Delivery May Maximize Immune Response

A vaccine strategy involving formulation changes, an initial escalating dose, and a longer wait for booster immunization results in more-effective antibody production against HIV in rhesus monkeys, a study finds.

Written byAlejandra Manjarrez, PhD
| 5 min read
A germinal center inside a lymph node
Register for free to listen to this article
Listen with Speechify
0:00
5:00

Scientists have spent decades attempting to develop a vaccine for HIV, with limited success. Now, research published in Nature this week (September 21) suggests that the solution to achieving effective protection may partially lie in how the vaccine is delivered. By breaking the initial dose of a vaccine into multiple, escalating doses over the course of nearly two weeks, a team of researchers from the La Jolla Institute for Immunology was able to generate a longer-lasting immune response in rhesus macaques (Macaca mulatta) and higher levels of neutralizing antibodies following a booster dose when compared with a traditional, one-shot approach.

There are still many steps to be taken before this can be translated into HIV treatment for humans, says Elizabeth Connick, who studies HIV pathogenesis and cure strategies at the University of Arizona College of Medicine and was not involved in this study. For example, she says it’s crucial to ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to more than 35 years of archives, as well as TS Digest, digital editions of The Scientist, feature stories, and much more!
Already a member?
Add The Scientist as a preferred source on Google

Add The Scientist as a preferred Google source to see more of our trusted coverage.

Meet the Author

  • alejandra manjarrez

    Alejandra Manjarrez is a freelance science journalist who contributes to The Scientist. She has a PhD in systems biology from ETH Zurich and a master’s in molecular biology from Utrecht University. After years studying bacteria in a lab, she now spends most of her days reading, writing, and hunting science stories, either while traveling or visiting random libraries around the world. Her work has also appeared in Hakai, The Atlantic, and Lab Times.

    View Full Profile

Related Topics

Related articles background image
August 2026 Digest cover
August 2026

Epic Fail: Sea-Monkeys Sabotage Fieldwork

When Barry Hicks set out to photograph thrombolites, thousands of unexpected visitors photobombed his underwater images.

View this Issue
Improving rAAV Production for Viral Vector Manufacturing

Improving rAAV Production for Viral Vector Manufacturing

cytiva logo
Advancing Respiratory Immunity Through Tissue-Resident Memory T Cell Research

Advancing Respiratory Immunity Through Tissue-Resident Memory T Cell Research

Miltenyi
Scientist holding a clear 384-well PCR microplate in a laboratory

What Dictates PCR Success Before Amplification Begins?

Integra Logo
Overcoming Immunotherapy Resistance in Liver Cancer

Overcoming Immunotherapy Resistance in Liver Cancer

Axion Biosystems

Products

Sino Biological Logo

Sino Biological Launches European Newsletter Campaign with Exclusive Welcome Gifts

Sino Biological Logo

Sino Biological Launches SuperNuclease ® Pro with Free Trial Program

Sino Biological Logo

Sino Biological Launches Precisely Characterized Full-Length p-Tau217 Protein to Advance Next-Generation Alzheimer’s Biomarker Assay Development

A photo of a scientist placing the Resipher device on a 96-well plate.

Resipher: Continuous Live-Cell Mitochondrial Respiration Monitoring in 96-Well Plates

Lucid Scientific logo