Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases is pictured testifying in March on Capitol Hill. He and others leading the federal coronavirus response testify before the House Energy and Commerce Committee on Tuesday.

Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases is pictured testifying in March on Capitol Hill. He and others leading the federal coronavirus response testify before the House Energy and Commerce Committee on Tuesday.