President Trump’s youngest son, Barron, tested positive for the coronavirus about the same time as his parents but has since tested negative, the first lady disclosed Wednesday.

“Luckily he is a strong teenager and exhibited no symptoms,” Melania Trump wrote in an online post released by the White House. The first lady said she has also tested negative, and the president has tested negative according to his doctor.

President Trump on Wednesday night pointed to Barron’s experience before urging students’ return to schools. His family’s recovery from the virus that has killed more than 200,000 Americans has only emboldened his push for a nationwide return to normalcy.

Here are some significant developments:

  • Treasury Secretary Steven Mnuchin said Wednesday that a new economic relief bill is unlikely before the election. The stock market closed in the red at the end of the day’s trading session as investors reacted.
  • Scientists pushing to allow the novel coronavirus to circulate freely among healthy young people until herd immunity is reached have found a receptive audience inside the White House. But top infectious-disease experts say the idea is unworkable and dangerous.
  • University of Alabama football coach Nick Saban is the highest-profile figure in college athletics to test positive for the coronavirus. The school announced his infection Wednesday.
  • U.S. coronavirus cases are rising again, seeding fears that an anticipated cold-weather surge in infections has arrived. Nine states are experiencing double-digit increases in the number of patients hospitalized because of coronavirus complications.
  • Citing a rapid resurgence of the virus, French President Emmanuel Macron announced a curfew to be imposed from 9 p.m. to 6 a.m. on the Paris region and other major urban centers. It will begin Oct. 17 and last at least four weeks.
  • Italy, Germany and Iran are also seeing surging infections.