We learned today that according to initial research, the first COVID-19 vaccine tested in the U.S.did revve up people's immune systems. To learn more, KCBS Radio's Patti Reising and Jeff Bell spoke with Dr. Anthony Fauci, Director of the National Institute of Allergy and Infectious Diseases.

<p>We learned today that according to initial research, the first COVID-19 vaccine tested in the U.S.did revve up people's immune systems.&nbsp;To learn more, KCBS Radio's Patti Reising and Jeff Bell spoke with Dr. Anthony Fauci, Director of the National Institute of Allergy and Infectious Diseases.</p>

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