CRP and bacterial infectious disease: The two-transcript signature provided a clear distinction between SFTS and bacterial infection, achieving an area under the receiver operating characteristic curve of 0.961 (95% confidence interval [95% CI] 0.916–0.986), outperforming C-reactive protein (0.810 [95% CI 0.738–0.870]) and procalcitonin (0.764 [95% CI 0.687–0.830]).