"I think we need to remember that we have perhaps a brief, but very hard stretch, ahead of us" without a widely available Covid-19 vaccine, Gottlieb told CNBC.
The European Union will slap tariffs on up to $4 billion worth of U.S. products Monday, after what it described as a "lack of progress" on resolving a long-standing dispute over aircraft subsidies.
Biden will not be sworn into office until Jan. 20, when epidemiologists and medical experts say the country could be in a dire situation with the pandemic.
The incoming U.S. administration could see China as a partner on health care and climate change, said Eswar Prasad, now a professor at Cornell University.
Dr. Megan Ranney, an emergency physician and professor at Brown University, said that "the worst days of the pandemic are almost certainly still ahead of us."
General Motors developed the 2022 GMC Hummer EV in unprecedented time with help of virtual reality, an increasing trend for the automotive industry before and during the coronavirus pandemic.
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