![Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, wears a protective mask while speaking to members of the media before an event on the Biden administration's Covid-19 response in the State Dining Room of the White House in Washington, D.C., U.S., on Thursday, Jan. 21, 2021. Joe Biden in his first full day in office plans to issue a sweeping set of executive orders to tackle the raging Covid-19 pandemic that will rapidly reverse or refashion many of his predecessor's most heavily criticized policies. Photographer: Al Drago/Bloomberg](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/4KIKDHQTY7BCYYW7BX2EZI4RHE.jpg?smart=true&auth=5bcdc750912043b0692e73b9650e20fd4bba3393cf0ba00091d7196d8fbe421a&width=400&height=225)
Dr Anthony Fauci at the White House. Bloomberg
Dr Anthony Fauci at the White House. Bloomberg
US disease expert Anthony Fauci blames Donald Trump for ‘top down’ Covid mistakes
Dr Fauci also warns that evolving virus mutations could reduce vaccine effectiveness