AdvertisementDr. Fauci Says The Risks From The Delta Variant Underscore The Importance Of VaccinesUpdated June 17, 2021Leila FadelfacebookEmailIn this March 18, 2021 file photo, Dr. Anthony Fauci testifies during a Senate Health, Education, Labor and Pensions Committee hearing. (AP)This article was originally published on June 17, 2021.