KSAT 12 Q&A: March 18, Dr. Ruth Berggren
March 19, 2021
Dr. Ruth Berggren, Infectious Diseases, appeared on the March 18 KSAT 12 news to talk about a waiting list for vaccines, sharing that the Pfizer vaccine is 97% effective in preventing symptomatic COVID-19 and 94% effective in preventing asymptomatic COVID-19. Watch the Q&A.