Scurvy is a vitamin C deficiency. A deficiency is an insufficient amount of something, which means scurvy is not contagious. It is not an illness like the flu. The leading causes of nutritional deficiencies include poor diet lacking in essential nutrients, or medication that prevents proper absorption. The body can store some nutrients, so the lack may not be caught until you have been without the nutrient for some time. You cannot pass a deficiency to anyone.
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