New developments at UTMB in COVID-19 vaccine quest KPRC Channel 2 Houston April 2, 2020 KPRC 2 Houston, April 2, 2020 UTMB’s Pei-Yong Shi explained a new reverse genetic system for SARS-CoV-2during a newscast on Houston’s NBC affiliate that will help in the quest to find a vaccine for COVID-19. Find the complete audio recording here. « Back | The Newsroom »