What is encephalitis lethargica and how do you get it?

What is encephalitis lethargica and how do you get it?

The causes of encephalitis lethargica are uncertain. Some studies have explored its origins in an autoimmune response, and, separately or in relation to an immune response, links to pathologies of infectious disease – viral and bacterial, e.g., in the case of influenza, where a link with encephalitis is clear.

Is encephalitis lethargica a virus?

Based on experimental studies using brain tissue from deceased patients, von Economo concluded that encephalitis lethargica was caused by an infectious virus.

Is encephalitis lethargica the Spanish flu?

Encephalitis lethargica (von Economo’s encephalitis) was a mysterious epidemic that swept the world from 1917 to 1928 (Vilensky et al., 2006). The epidemic paralleled the 1918 Spanish influenza pandemic and some experts believed both were caused by an influenza virus (ARNM, 1921).

What are the early symptoms of encephalitis lethargica?

Some of the symptoms of encephalitis lethargica include:

  • High fever.
  • Sore throat.
  • Headache.
  • Lethargy.
  • Double vision.
  • Delayed responses, both physically and mentally.
  • Sleep inversion.
  • Catatonia or unresponsiveness.

Is encephalitis a sleeping disorder?

International classification of sleep disorders. Autoimmune encephalitis-related insomnia (eg, anti-NMDA receptor, anti-Caspr2, and occasionally anti-LGI1 encephalitis), is usually acute and severe, with reduced or absent sleep for days or weeks, and usually associated with hallucinations or abnormal behaviours.

What disease is in Awakenings?

(The disease was the subject of the book and film, “Awakenings.”) The NINDS supports research on disorders that affect the brain, such as encephalitis lethargica, with the goal of finding ways to prevent and treat them. (The disease was the subject of the book and film, “Awakenings.”) Information from th…

How do you contract encephalitis?

Most diagnosed cases of encephalitis in the United States are caused by herpes simplex virus types 1 and 2, arboviruses (such as West Nile Virus), which are transmitted from infected animals to humans through the bite of an infected tick, mosquito, or other blood-sucking insect, or enteroviruses.

What is the most common cause of encephalitis?

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

What is the cause of the disease encephalitis?

The majority of viral cases of encephalitis have an unknown cause, however the most common identifiable cause of viral encephalitis is from herpes simplex infection. Other causes of acute viral encephalitis are rabies virus, poliovirus, and measles virus.

What is post viral encephalitis?

Post-Infectious Encephalitis is also a disease condition of central nervous system but it generally occurs as a rare complication of some form of viral illness or as a result of some vaccines. Post-infectious Encephalitis generally develops after a bout of chickenpox , measles, or vaccination against measles.

What are the types of brain infections?

A majority of the times infections in the brain are because of a virus or bacteria, but in some cases parasites and fungi can infect the brain too. Mainly, there are 3 types of brain infections. Brain Abscess. Meningitis. Encephalitis.