Encephalitis, St. Louis
Synonyms
Encephalitis, Saint Louis
Encephalitis, Viral, St. Louis
Lethargic Encephalitis, Type C
Louis Meningoencephalitides, St.
Meningoencephalitides, St. Louis
Meningoencephalitis, St. Louis
Saint Louis Encephalitis
St. Louis Encephalitis
St. Louis Meningoencephalitides
St. Louis Meningoencephalitis
St. Louis Viral Encephalitis
Type C Lethargic Encephalitis
A viral encephalitis caused by the St. Louis encephalitis virus (ENCEPHALITIS VIRUS, ST. LOUIS), a FLAVIVIRUS. It is transmitted to humans and other vertebrates primarily by mosquitoes of the genus CULEX. The primary animal vectors are wild birds and the disorder is endemic to the midwestern and southeastern United States. Infections may be limited to an influenza-like illness or present as an ASEPTIC MENINGITIS or ENCEPHALITIS. Clinical manifestations of the encephalitic presentation may include SEIZURES, lethargy, MYOCLONUS, focal neurologic signs, COMA, and DEATH. (From Adams et al., Principles of Neurology, 6th ed, p750)