The I.M.F. warns of inflation and a slowing recovery as it lowers its forecast.

The global economic recovery is losing momentum as the resurgence of the coronavirus and widespread supply chain disruptions threaten to be a drag on a world economy that is trying to find its footing, the International Monetary Fund said on Tuesday.

Turbulence in rich countries has begun to weigh on the global outlook in recent months, the I.M.F. said in its latest World Economic Outlook report. The economic growth forecast for the United States was pared back to 6 percent, from the 7 percent growth projected in July, because of softening...