Physical measurement v underweight WHO Z score chronic or acute malnutrition X-3SDSW/A<X-2SD moderate W/A<X-3SD severe v stunting long-term chronic malnutrition X-3SD≤H/A<X-25D moderate H/A<X-3SD severe v wasting recent acute malnutrition X-3SDSW/H<X-2SD moderate W/H<X-3SD severeWHO Z￾score system ✓ underweight chronic or acute malnutrition X－3SD≤W/A<X－2SD moderate W/A<X－3SD severe ✓ stunting long-term chronic malnutrition X－3SD≤H/A<X－2SD moderate H/A<X－3SD severe ✓ wasting recent acute malnutrition X－3SD≤W/H<X－2SD moderate W/H<X－3SD severe Physical measurement