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The world is facing a malnutrition crisis One billion people are hungry, at least 3 billion do not receive sufficient nutrients and more than 2 5 billion consume unhealthy diets (UNICEF, WHO and World Bank, 2018) In addition to its immediate impact on health and society, the COVID-19 pandemic will cause significant short- and long-term disruptions to food systems This will reduce the availability of nutritious foods, particularly for poor and vulnerable populations, and fuel the prevalence of all forms of malnutrition Malnutrition results in the intergenerational transmission of inequity, poverty and poor health and poses a significant barrier to equitable and sustainable social and economic development The data-collection step in the value chain is, perhaps, the most important and requires the establishment of high-quality national and subnational systems to collect reliable information Yet, many nutrition issues still lack dependable data This is the case for micronutrient deficiencies, which are still poorly understood in most countries due to vast data gaps
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