KSAT 12 Q&A: March 18, Dr. Ruth Berggren

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. 

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