For weeks, we’ve heard warnings of disruptions to the economy and seen intense volatility in the markets and delayed shipments from China. But now a standstill in so many of the activities we love has gone global.

Sporting events, from basketball to baseball to soccer, have been canceled, and speculation abounds about whether the Tokyo Olympics can really go on; museums have been shuttered; restaurants, bars and hotels in many parts of the world are either on curfew, at limited capacity or closed.

Some are forced to rework their business models; others have no remedies.

Not since the attacks of Sept. 11, 2001, has a crisis hit much of the U.S. economy so quickly.

Here’s what you need to know about your money and the outbreak.

And here are the latest updates and maps of where the virus has spread.

Around the world:

Many governments, including those of Hong Kong, Beijing and New Zealand, are requiring some international incoming travelers to self-isolate for 14 days, while others are barring people coming from hotspots like the U.S. Check our full list of travel restrictions.

Italy’s death toll rose to 1,809 — a 25 percent increase over the day before and the largest one-day uptick yet of any country.

U.S. airports were in chaos over the weekend as officials implemented a new type of screening for passengers coming from Europe. Travelers described waiting for hours in thick crowds in the thousands.

The Netherlands announced a lockdown that will last until April 6, closing most schools and child care centers, as well as restaurants, cafes, gyms and sporting clubs.

Britain’s government is being urged by scientists to take stronger public health measures to match the economic relief strategy the government has introduced. And older residents are being asked to self-isolate.

Resources: Here’s how to practice social distancing and how to clean your phone. The Times is providing free access to much of our coronavirus coverage; our Coronavirus Briefing newsletter, like all of our newsletters, is free.