A change in how the illness is diagnosed may partly explain the jump. Here are the latest updates and maps of where the virus has spread.

Political fallout: China’s ruling Communist Party fired the leaders of Hubei Province and Wuhan, its largest city, today amid widespread public anger over the handling of the epidemic.

Economic fallout: One of the world’s biggest technology trade shows, Mobile World Congress in Spain, was canceled because of the outbreak. International students at Chinese universities have faced difficult decisions, and the cruise industry is suffering.

“The Daily”: Today’s episode examines how China’s government is handling public anger.

Prosecutors’ fears of presidential pressure

Top Justice Department officials’ intervention to reduce a sentencing recommendation for Roger Stone, a longtime friend of President Trump, has raised fears among career prosecutors.