But the nation's top infectious disease expert, Dr. Anthony Fauci, has been warning Americans about the risk of further spread of the virus.
Fauci said "anti-science bias" in the country can be problematic.
It's the same thing that gets people who are anti-vaxxers, who don't want people to get vaccinated, even though the data clearly indicate the safety of vaccines," Fauci added.
The process of getting a United States coronavirus vaccine candidate into a Phase 1 trial happened at record speed, according to Fauci.
Social inequalities are among the factors behind why the black community in the United States has "suffered disproportionately" from Covid-19, Fauci said.
Fauci defended the shutdown policies in the United States and around the world during the pandemic as having saved "millions of lives.".
And others say, 'Well, if you save so many infections by shutting down, why didn't you shut down two weeks earlier? »