Catalog
Encephalitis due to Influenza virus
No MMS code
Link to WHO Definition
Encephalitis due to Influenza virus – http://id.who.int/icd/entity/256353705
An inflammatory process of the brain, frequently with evidence of meningeal involvement, due to infection by influenza virus. The clinical manifestations are usually acute, with fever and variable combinations of convulsions, impaired mental state, and focal neurological deficits. The spinal fluid may show a cellular reaction and elevated protein. Diagnosis is by neuroimaging, spinal fluid analysis, PCR tests, and serologic tests.