IL6 and schizophrenia: Additionally, further evidence supporting the link between HHV-8 and schizophrenia is the fact that the HHV-8 genome expresses a viral variant of interleukin-6 (vIL-6), which exhibits morphological and operational similarities to human interleukin-6 (hIL-6), a cytokine acknowledged to be implicated in the development of schizophrenia [231].