Dr. Deborah Birx, White House coronavirus response coordinator, discussed one of the models used to estimate potential deaths from coronavirus in U.S. during a briefing Tuesday.
The normally busy transportation hub at the World Trade Center in Manhattan was sparsely populated on Monday. The governors of New York, New Jersey and Connecticut have banned all gatherings of 50 or more people.
Gabriela Bhaskar/Bloomberg via Getty Images
Viral particles are colorized purple in this color-enhanced transmission electron micrograph from a COVID-19 patient in the United States. Computer modeling can help epidemiologists predict how and where the illness will move next.
Hannah A Bullock and Azaibi Tamin/CDC/Science Source