CSF: 68% abnormal: increased white blood cell count (pleocytosis), elevated proteins; Influenza virus RNA in 16% of patients (63) Blood: may be normal, 71% abnormal: lymphocytopenia, leukocytosis, thrombocytopenia, elevated aspartate aminotransferase, elevated CRP (63). This evidence concerns the gene CRP and Thrombocytopenia.