The outbreak of the coronavirus has dealt a shock to the global economy with unprecedented speed. Following are developments Friday related to the national and global response, the work place and the spread of the virus.

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STRESS TESTS: The Federal Reserve is making modifications to the way it performs stress tests on banks due to the virus outbreak.

Vice Chair for Supervision Randal Quarles said Friday that this year's modifications include adding three new scenarios to see how well banks respond to them. The scenarios include a rapid V-shaped recovery that regains much...