Dimon, 63, who is the longest-serving head of a major U.S. bank, experienced "an acute aortic dissection" and underwent surgery to repair it Thursday morning, a JPMorgan memo said.
U.S. businesses are shutting down plants and watching their sales plummet around the world. Many economists now say odds are increasing that the economy will slow, if not contract altogether.
Scientists at the University of Washington's medical school began working on a test for coronavirus back in January. Now they're using it to fight an outbreak in their own backyard.
NPR's Audie Cornish speaks with Dr. Nancy Messonnier, director of the National Center for Immunization and Respiratory Diseases, about confronting the U.S. coronavirus outbreak.
According to the United Nations, almost two dozen countries on three continents have closed schools because of the virus. China by far has the most students affected: more than 233 million.
A cruise ship traveling from Hawaii is being kept off the California coast until sick passengers and crew can be tested for coronavirus. A previous passenger of the ship has died of COVID-19.
A lack of testing for coronavirus has hampered the U.S. public health response to the outbreak. But in Washington state, an outbreak hot spot, a university lab can now run 1,000 tests a day.