NEW:
@JoeBiden
makes his health team official.
-Xavier Becerra, HHS Sec
-Dr. Vivek Murthy, Surgeon General
-Dr. Rochelle Walensky, CDC Director
-Dr. Marcella Nunez-Smith, COVID-19 Equity Task Force Chair
-Dr. Anthony Fauci, Chief Medical Adviser
-Jeff Zients, COVID-19 Czar