NIH-funded research R01 grant

Stopping Lyme disease by vaccinating wild mice that infect ticks

Official title: Efficacy of novel reservoir-host targeted bait formulations against a tick-borne pathogen

Funded at University of Texas San Antonio · NIH-11160589 · Data updated 2026-11-12

This project tests bait vaccines put out for wild mice to lower the number of infected ticks and reduce people's risk of Lyme disease.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Texas San Antonio
NIH-funded
Lab location1 site (San Antonio, United States)
Project startSeptember 1, 2021
Project endAugust 31, 2026
Funding year2025
Award (this year)$375,000
NIH project number5R01AI152233-05
Project IDNIH-11160589 on NIH RePORTER

Who could benefit from this research

Could help

People living or working in areas with many black-legged ticks and high Lyme disease rates are the main group who could benefit from this approach.

Less likely to help

People who live in areas without black-legged ticks or who have no exposure to tick habitats would likely get no direct benefit.

What this research studies

This work aims to block Lyme disease at its source by giving vaccines to animals that maintain the bacterium, especially white-footed mice. Researchers create bait formulations containing purified proteins from Borrelia burgdorferi and feed them to both lab and reservoir mouse models. They will track whether vaccinated mice pass the bacterium to ticks less often and whether ticks collected later carry less infection. The team measures infection in ticks and mice to see if the bait approach could reduce environmental Lyme risk for people in treated areas.

Why it matters

Potential benefit: If successful, this could reduce infected ticks in the environment and lower people’s risk of getting Lyme disease.

How similar studies have gone: Previous animal work showed that purified Borrelia lipoproteins can protect mice from infection when given by injection, but using bait to vaccinate wild reservoir animals is less tested.

Where this research is happening

  • University of Texas San Antonio
    San Antonio, United States
    Active

Researchers

  • Principal investigator: Seshu, Janakiram — University of Texas San Antonio
  • Study coordinator: Seshu, Janakiram

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.