U.S. Sen. Ron Johnson (R-Wis.) sent a letter to Dr. Anthony Fauci, Director of National Institute of Allergy and Infectious Diseases (NIAID), Dr. Rochelle Walensky, Director of the Centers for Disease Control and Prevention (CDC), and Dr. Janet Woodcock, Acting Commissioner of the Food and Drug Administration (FDA) regarding President Bidenâs announcement of vaccine mandates in both the public and private sectors without making any exceptions for those who have been previously infected with COVID-19 and have natural immunity...