The Borna disease virus, also referred to as BDV, is a widely studied neurotropic virus that affects various species, including humans. Synonymous terms for this virus include Borna virus, Borna disease agent, and Bornavirus. These interchangeable names are used by researchers and scientists to describe the same pathogenic entity. BDV gained attention due to its association with neuropsychiatric disorders, such as mood disorders and schizophrenia-like symptoms in humans and animals. The virus is believed to primarily affect the central nervous system and can result in a range of neurological symptoms. Its various synonyms help facilitate effective communication and research collaboration among professionals in the field.