Dr. Fauci says there is no guarantee that a COVID-19 vaccine will be effective

Name: Dr. Fauci says there is no guarantee that a COVID-19 vaccine will be effective
Uploaded: 2020-05-13T12:36:54Z
Duration: 5 min 36 s
Description: Dr. Craig Spencer, director of Global Health in Emergency Medicine at Columbia University Medical Center, reacts to the Senate testimony.