Dr. Anthony Fauci is the leader of the US National Institute of Allergy and Infectious Diseases , and the person who told Donald Trump that a vaccine to fight the 2020 coronavirus pandemic would take at least a year .
Trump also pressed for the companies to have a vaccine ready for the public within `` a couple of months '' , but was told that it would take at least 1-1.5 years .
2020 coronavirus pandemic in the United States