The scientists said that the pathogen could kill between 100,000 and 240,000 Americans, despite signs that social distancing and other mitigation measures are working.

Here are the latest updates and maps of the pandemic. We also have a daily tracker showing the virus’s trajectory by country and U.S. state.

Context: Evidence that as many as 25 percent of people infected with the virus may not show symptoms has prompted the U.S. Centers for Disease Control and Prevention to review its guidelines on who should wear face masks.

Reaction: Despite the president’s slow initial action against the virus, here’s why his approval ratings are as high as ever.

Markets: Futures markets predicted Europe and Wall Street would open lower this morning.

Closer look: Hospitals across the U.S. are preparing for a situation in which coronavirus patients exceed intensive care space. Almost all prioritize otherwise healthy people who are most likely to recover — but it’s not that simple.