CRP and infection: CRP (AUC 0.520, 95% confidence interval, 0.382–0.659) had a significantly lower AUC value than of both PCT (AUC 0.773, 95% confidence interval, 0.661–0.886; P = 0.0056) and WBC (AUC 0.739, 95% confidence interval, 0.624–0.853; P = 0.017) for distinguishing HAdV-7 from HAdV-3 infection.