At today, neurologic desorders associated with novel influenza A (H1N1) virus were reported only in children but not in adult. We report two cases of encephalitis associated to H1N1 virus infection occurred in females of age 28 and 37 years. In both cases disease was less severe without neurologic sequelae. In one case PCR analysis of CSF sample showed a positivity for HSV1. Novel influenza A (H1N1) viral RNA by real time PCR was detected in nasopharyngeal specimens.
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