CRP and infection: Regarding the laboratory values for children infected with P[14] RVA infection, it was found that all of the children had slightly elevated CRP (mean ± SD: 18.2 ± 19.1 mg/l; normal values, 0–1 mg/l for children ≤ 1 year old and 1–10 mg/l for those > 1 year old), and one child showed electrolytic disturbances with low potassium (K+: 3.4 mmol/l; normal values: 3.5–5.5 mmol/l) and sodium (Na+: 133 mmol/l; normal values, 135–150 mmol/l).