MATTHEW LAVIETES THE world economy will fare better this year than previous projections indicated, but a slow roll-out of COVID-19 vaccines in many developing countries will hamper their economic recoveries, the United Nations said on Tuesday. Global economic growth is expected to reach 5.4% this year, bouncing back from 2020's contraction of 3.6% and picking up from forecasts issued in January, according to the latest World Economic Situation and Prospects report. However, the growth outlook in some nations in South Asia, sub-Saharan Africa and Latin America remains "fragile and uncertain", due to slow vaccination progress, said the report by the U.N.…