Diarrheal disease is the second leading cause of death in children under five, althought it is both preventable and treatable. The causative factors of diarrheal diseases vary a lot from region to region (bacteria, viruses, parasites). Diarrhea is one of the main causes of malnutrition in children under five years of age. Inversely, nutritional deficiency, particularly vitamin C deficiency, can be a risk factor for diarrhea. The main objective of this study is to assess the impact of vitamin C deficiency on diarrheal infection in children aged 2 to 5 years in countries with a high diarrheal rate. This pilot case-control study will be conducted in metropolitan France, Africa and South America. This question will be addressed by comparing vitamin C levels in children with diarrhea, regardless of the infectious agent, to levels in age- and sex-matched controls.
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Plasma levels of vitamin C
Timeframe: 1 year