Fauci 'cautiously optimistic' coronavirus vaccine will be ready before end of 2020

Anthony Fauci, the nation’s top infectious disease doctor, on Friday said that he is “cautiously optimistic” a COVID-19 vaccine will be ready by the end of 2020 and widely distributed to Americans in the following year.

“There's never a guarantee that you're going to get a safe and effective vaccine, but from everything we've seen now in the animal data, as well as the early human data, we feel cautiously optimistic that we will have a vaccine by the end of this year and as we go into 2021,” Fauci...