The deadly coronavirus epidemic could put an already fragile global economy recovery at risk, the IMF warned Sunday, as G20 financial chiefs discussed ways to contain its economic ripple effects. Global growth was poised for a modest rebound to 3.3% this year, up from 2.9% last-year, IMF chief Kristalina Georgieva said after a two-day meeting of G20 finance ministers and central-bank governors in Riyadh.