Economic fallout from the coronavirus pandemic has set back decades of progress against the most severe forms of malnutrition and is likely to kill 168,000 children before any global recovery takes hold, according to a study released Monday by 30 international organizations. … Osendarp, who led the research, estimates an additional 11.9 million children — most in South Asia and sub-Saharan Africa — will suffer from stunting and wasting, the most severe forms of malnutrition