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Additional possible viral causes are arboviral flavivirus (St. Louis encephalitis, West Nile virus), bunyavirus (La Crosse strain), arenavirus (lymphocytic choriomeningitis virus), reovirus (Colorado tick virus), and henipavirus infections. [14] [15] The Powassan virus is a rare cause of encephalitis. [16]
Neuropsychiatric features such as behavioral changes, hallucinations, or cognitive decline are frequent. Severe symptoms are most common among infants and the elderly. Most infections are asymptomatic, lacking symptoms, whereas most symptomatic cases are mild illnesses. [1] [12] Virus-specific symptoms may also exist or tests may indicate one ...
The cause of NDPH is unknown, and it may have more than one etiology. NDPH onset is commonly associated with an infection or flu-like illness, stressful life event, minor head trauma, and extra cranial surgery. Infection or flu-like illness and stressful life event are most often cited. [1] The pathophysiology of NDPH is poorly understood.
Post-viral cerebellar ataxia also known as acute cerebellitis and acute cerebellar ataxia (ACA) is a disease characterized by the sudden onset of ataxia following a viral infection. [1] The disease affects the function or structure of the cerebellum region in the brain.
Other symptoms are less common among people with COVID-19. Some people experience gastrointestinal symptoms such as loss of appetite, diarrhea, nausea or vomiting. [1] [65] A June 2020 systematic review reported a 8–12% prevalence of diarrhea, and 3–10% for nausea. [2] Less common symptoms include chills, coughing out blood, diarrhea, and rash.
With coxsackie and echo virus' specifically, a maculopapular rash may be present, or even the typical vesicles seen with Herpangina. [15] Lymphocytic choriomeningitis virus (LCMV) can be differentiated from the common presenting meningeal symptoms by the appearance of a prodromal influenza-like sickness about 10 days before other symptoms begin ...
The symptoms are mostly due to the body's immune response to the infection rather than to tissue destruction by the viruses themselves. [15] The symptoms of influenza are similar to those of a cold, although usually more severe and less likely to include a runny nose. [6] [16] There is no vaccine for the common cold. [3]
The Nipah virus (NiV) is a type of RNA virus in the genus Henipavirus, which normally circulates among fruit bats of the genus Pteropus. [7] Spread typically requires direct contact with an infected source; it can both spread between people and from other animals to people. Diagnosis is based on symptoms and confirmed by laboratory testing. [2] [1]