MRCP UK EXAMINATIONS

Detailed explanation-1: -Although any herpes virus can cause encephalitis, the herpes simplex virus (HSV) is the most common cause of encephalitis. HSV is the second most common cause of encephalitis in the United States.

Detailed explanation-2: -Encephalitis is most often due to a virus, such as: herpes simplex viruses, which cause cold sores (this is the most common cause of encephalitis) the varicella zoster virus, which causes chickenpox and shingles. measles, mumps and rubella viruses.

Detailed explanation-3: -Among herpes simplex encephalitis, the vast majority of the encephalitis is caused by HSV-1, with HSV-2 being the etiology in less than 10% of the cases. HSV-1 causes encephalitis in adults and children beyond the neonatal period. It is the most common cause of life-threatening sporadic encephalitis across the globe.

Detailed explanation-4: -Causative infections of acute encephalitis Acute encephalitis is mostly caused by any of the many ‘neurotrophic’ viruses, many of which are vector-transmitted (arthropod-borne) arboviruses. In India, Japanese encephalitis (JE) virus is the predominant aetiology10.

Detailed explanation-5: -Encephalitis is caused by the herpes simplex virus. Most are caused by herpes simplex virus type 1 (HSV1), the virus that also causes cold sores. The disease may also be caused by herpes virus type 2 (HSV2). This virus can be spread by sexual contact or from an infected mother to her baby during childbirth.