New vaccine approaches for Crimean-Congo hemorrhagic fever

Analysis of a novel Crimean-Congo hemorrhagic fever vaccine and its mechanism of protection in rodent models

NIH-funded research Thomas Jefferson University · NIH-11174272

Testing two inactivated virus-based vaccine designs intended to protect people at risk of Crimean-Congo hemorrhagic fever.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionThomas Jefferson University NIH-funded
Lab location1 site (Philadelphia, United States)
Project IDNIH-11174272 on NIH RePORTER

What this research studies

Researchers are developing and comparing two inactivated rhabdovirus-based vaccine designs using rabies and vesicular stomatitis virus backbones to create immune protection against CCHFV. They will give the vaccines to mice and measure antibody responses and protection. The team will also build a safer, non-BSL-4 VSV-based mouse challenge model to study how the vaccines work. These experiments are done in the lab to identify the best candidates and understand the immune mechanisms before any human testing.

Who could benefit from this research

Good fit: Ultimately, people at high risk for CCHFV—healthcare workers, livestock handlers, and residents or travelers in endemic regions—would be the likely candidates for future human vaccine trials.

Not a fit: Because this is preclinical animal research, people already sick with CCHFV or those not exposed to tick-borne risk will not directly benefit from these experiments right now.

Why it matters

Potential benefit: If successful, this work could produce vaccine candidates and safer preclinical testing methods that speed development of a human CCHFV vaccine.

How similar studies have performed: An older inactivated whole-virus vaccine failed in humans, but inactivated rhabdoviral vaccine approaches have protected animals against other hemorrhagic fever viruses, so the idea has supportive animal-model precedent though human data are lacking.

Where this research is happening

Philadelphia, United States

Researchers

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 below.
Last reviewed 2026-06-13 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.