Arsenic is a known toxic chemical, has immuno-modulatory properties, and can change the susceptibility of infection in humans. Acute hepatitis E is an infectious disease; it can be self-limiting, but in severe cases, can cause acute-on-chronic liver failure. The presence of IgG anti-HEV (hepatitis E IgG antibody) in blood represents a past hepatitis E infection in an individual. Very few studies have investigated the association between arsenic levels and hepatitis E seroconversion in humans. The primary objective of this study was to assess the relationship between total urinary arsenic and speciated urinary arsenic (urinary arsenous acid, urinary arsenic acid, urinary arsenobetaine, urinary arsenocholine, urinary dimethylarsinic acid, urinary monomethylarsonic acid) and the presence of IgG anti-HEV.
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