Figure 3.

A subset of 21 infections was characterized by chronic virus shedding for >30 days. The number of patients and duration of virus shedding (a) varied for GI and GII infections, but most patients shed for <100 days. (b) An exploratory analysis of variables associated with longer shedding implicated male sex and the presence of diarrheal symptoms, but not vomiting, as significant. Statistical difference between groups was determined by the Mann-Whitney U-test, with a 2-sided p-value of <0.05 denoting significance.