Deer tick virus is related to Powassan virus, a tickborne encephalitis virus. ... Bacterial culture and Gram's staining of the cerebrospinal fluid were negative.

In this case report, severe encephalitis with no established cause developed in a child with SCID. Through deep sequencing, human coronavirus OC43 was identified in brain tissue.

Viral encephalitis has caused at least 56 deaths in India's western state of Gujarat, forcing authorities to step up surveillance for the disease caused by a viral infection often spread by sand ...