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Vitamin D is synthesised in the skin through the action of UVB radiation (sunlight), and 25‐hydroxy vitamin D (25OHD) measured in serum as a marker of vitamin D status. Several studies, mostly conducted in high latitudes, have shown an association between type 1 diabetes mellitus (T1DM) and low serum 25OHD. We conducted a case–control study to determine whether, in a sub‐tropical environment with...