NAIROBI, April 13( Xinhua)--The World Bank on Wednesday projected the economy in Sub-Saharan Africa to slow down to 3.6 percent in 2022 from 4 percent in 2021. The World Bank said the region's economy is struggling to pick up momentum amid a slowdown in global economic activity, continued supply constraints, outbreaks of new COVID-19 variants, high inflation and rising financial risks due to high and increasingly vulnerable debt levels." Economic growth in the region is expected to decelerate in