CSF: Normal, or (2%) with pleocytosis (2%), protein increase; the presence of SARS-CoV-2 in CSF in 6% patients who had acute neurological symptoms, and the presence of SARS-CoV-2 antibodies in 12% patients (48). Blood: lymphopenia, leukopenia, elevated CRP, increased LDH, elevated liver transaminases, elevated aspartate aminotransferase, increased levels of cytokines such as IL-6 (62). This evidence concerns the gene CRP and lymphopenia.