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Japanese encephalitis (JE) is an infection of the brain caused by the Japanese encephalitis virus (JEV). [3] While most infections result in little or no symptoms, occasional inflammation of the brain occurs. [3] In these cases, symptoms may include headache, vomiting, fever, confusion and seizures. [1] This occurs about 5 to 15 days after ...
The Culex vishnui Theobald mosquito species belongs to a sub-type that also includes two other carriers of the Japanese encephalitis virus - Culex tritaeniorhynchus Giles and Culex pseudovishnui Colless. [11]
Japanese encephalitis vaccines first became available in the 1930s. [3] One of them was an inactivated mouse brain-derived vaccine (the Nakayama and/or Beijing-1 strain), made by BIKEN and marketed by Sanofi Pasteur as JE-VAX, until production ceased in 2005. The other was an inactivated vaccine cultivated on primary hamster kidney cells (the ...
Encephalitis with meningitis is known as meningoencephalitis, while encephalitis with involvement of the spinal cord is known as encephalomyelitis. [ 2 ] The word is from Ancient Greek ἐγκέφαλος , enképhalos 'brain', [ 37 ] composed of ἐν , en , 'in' and κεφαλή , kephalé , 'head', and the medical suffix -itis 'inflammation'.
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For some forms of viral encephalitis, such as Eastern equine encephalitis and Japanese encephalitis, there may be a significant amount of necrosis of nerve cells. Following encephalitis caused by arboviruses, calcification may occur in the CNS, especially among children. Herpes simplex encephalitis tends to produce necrotic lesions in the CNS. [1]
A human case of Eastern equine encephalitis was identified in Massachusetts for the first time since 2020. Now the state's public health department is ringing the alarm in multiple communities to ...
Lychee fruits, which naturally include toxins related to encephalitis, are suspected to have been a contributing factor in the outbreak. The region is the largest producer of lychee fruits in India. A 2014 study published in Lancet found that the methylene cyclopropyl acetic acid and hypoglycin A found in unripe lychee ( Litchi chinensis) fruit ...