HRV RNA positivity in sera among patients positive for HRV in nasopharyngeal samples.

<p>First serum samples were collected on the day of admission (S-1). Second serum samples were collected 3 days after admission (S-2). OR is the odds ratio calculated with each species and the rest of the groups as the point of reference.</p><p>*p<0.01,</p><p>**p = 0.05.