Children hospitalized with HRV / EV had a shorter median length of stay ( 2 days vs . 3 days , p < 0 . 01 ) , duration of fever ( 1 days vs . 3 days , p < 0 . 01 ) , and duration of hypoxemia ( 2 days vs . 3 days , p < 0 . 01 ) than children with influenza virus .