Here are some of the most significant recent developments as the region responds to the pandemic of the novel coronavirus, which causes the disease covid-19:
• D.C. extended its public health emergency and closure of schools until May 15. Mayor Muriel E. Bowser (D) announced that other coronavirus restrictions in the city, including nonessential business closures, a stay-at-home order and a ban on gatherings of 10 or more people are also extended.
• Virginia Gov. Ralph Northam (D) extended his shutdown order for nonessential businesses — which initially was set to expire April 23 — until May 8. A separate stay-at-home order for Virginia residents is in effect through June 10.
• Maryland Gov. Larry Hogan said the state plans to hire 1,000 people to work in local health departments as investigators work to trace the path of the coronavirus.
• The District, Maryland and Virginia reported a record high of 93 confirmed deaths on Wednesday. They also reported 1,030 new infections, bringing the total caseload across the three jurisdictions past 18,700.