![Jie Sun, PhD](https://news.med.virginia.edu/files/2022/09/Sun_Ji-1x1-1-300x300.png)
Jie Sun, PhD
Jie Sun, PhD, a Harrison Distinguished Teaching Professor in the Department of Medicine, Division of Infectious Diseases and International Health, collaborated on research that found combining COVID-19 vaccines with a type of messenger RNA vaccine currently in development could be more effective against new COVID variants.