Virus briefing: Stocks fall, people hunker down at home. Get updates and helpful information here

People around the world began holing up at home, stocking up on supplies and keeping a wary eye on how close they got to friends and neighbors as fear of the fast-spreading coronavirus sunk in.

Among developments so far today:

At market open, the Dow plunged 2,250 points, 9.7%, as more of the U.S. economy shut down because of coronavirus outbreak. Trading was again temporarily halted.The Federal Reserve had announced extraordinary actions to try to blunt the damage the coronavirus outbreak has begun to inflict on the U.S. economy. But it didn’t prevent global stocks from falling sharply.CDC recommends that gatherings of 50 people or more in U.S. be canceled or postponed in next 8 weeks because of coronavirus.Government official: First dose to be delivered Monday in clinical trial for potential COVID-19 vaccine.Some states have begun tapping their rainy day funds for the millions of dollars that will be needed to respond to the coronavirus outbreak.Spain becomes the fourth most virus-infected nation in the world, surpassing South Korea, as the number of cases jumps by roughly 1,000 in one day to 8,744.China is relaxing travel restrictions in Hubei, the province that was hardest hit by the coronavirus outbreak. The move will allow thousands of workers to return to their factory jobs.

For full reports on developments in the past 24 hours, please select from the articles below. Scroll further for a photo gallery of key events and live updates from verified social media accounts.

For most people, the new coronavirus causes mild or moderate fever and cough. It can cause more severe illness including pneumonia for some, especially older adults and people with existing health problems.

The vast majority of people recover from the new virus. According to the World Health Organization, people with mild illness recover in about two weeks, while those with more severe illness may take three to six weeks to recover.

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