"Now we're at the highest baseline we've ever been, which is really precarious," the director of the National Institute of Allergy and Infectious Diseases and the nation's top expert on the COVID-19 pandemic said.
"Luckily, despite the fact that we are dealing with a very, very challenging period right now, even more so as we enter the cooler months of the fall and the colder months of the winter, that vaccines are proceeding at a very good pace," Fauci said on Monday
Since the beginning of the COVID-19 pandemic, which has surpassed 43 million cases worldwide, the US has experienced the worst toll of any country