A Case of Severe Fever with Thrombocytopenia Syndrome with Normal C-reactive Protein Levels and an Inverse Relationship between Lactate Dehydrogenase and C-reactive Protein in the Early Phase.

It is generally accepted that CRP is slightly more likely to be elevated in viral infections than in bacterial infections, but even so, a negative CRP is an extremely rare phenomenon.[ 3 ] Furthermore, in the present case, a gradual increase in LDH was observed due to a hemophagocytic syndrome caused by a cytokine storm, during which CRP showed a decreasing trend during the first 3 days.

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