Infectious Diseases

Jennifer Gaddy, PhD
February 24, 2026

Jennifer Gaddy elected to American Academy of Microbiology 

Gaddy is a leading researcher in bacterial pathogenesis, innate immunity and reproductive immunology.

C. difficile bacteria (image courtesy of CDC/Jennifer Oosthuizen)
February 18, 2026

Vanderbilt research offers new hope for preventing repeated C. diff infections

Treatment options are limited for the more than 500,000 people in the U.S. who are diagnosed annually with C. diff infections, but researchers are working on potential vaccines, therapeutic antibodies and — most recently — nanobodies, to prevent and treat C. diff infections.

February 18, 2026

Novel vaccine protects against C. diff disease and recurrence

New study represents a major step forward for vaccine development for C. diff, the leading cause of health care- and antibiotic-associated infection.

(iStock)
February 13, 2026

Anti-Marburg antibody from Vanderbilt Health sent to Ethiopia during outbreak

There currently are no approved treatments or vaccines to protect against the infection, which can cause internal bleeding, organ failure, and in roughly 50% of cases, death.

Members of the Vanderbilt Health team are evaluating the efficacy of the immunomodulatory drug baricitinib for treating the persistent neurological and cardiopulmonary symptoms of long COVID. (photo by Donn Jones)
February 6, 2026

Vanderbilt Health to lead expanded multisite study of immunomodulation in long COVID

The public health burden of long COVID is estimated to be the largest seen from an emerging disease in the past century, yet there remain no effective interventions.

Clostridium difficile bacterium, 3D illustration
January 28, 2026

Gut microbiome differs according to C. diff symptom status

In a study of children with symptomatic or asymptomatic C. diff, symptom status loomed as the strongest association with differences in gut microbial abundance and diversity.