moderate risk
Saint Louis encephalitis virus
SLEV
When to seek urgent care: Emergency care for neurological symptoms
Key facts
Family
Flaviviridae
Type
RNA virus
Severity
Moderate
Incubation
5-15 days
Vaccine
None
Est. cases tracked
2,862
Symptoms
FeverHeadacheConfusionEncephalitis
Transmission
Mosquito (Culex)
Prevention
Mosquito control
Treatment
Supportive care
Related viruses (same family)
Dengue virusZika virusYellow fever virusWest Nile virusJapanese encephalitis virusTick-borne encephalitis virus
This page is educational information, not medical advice or a diagnosis. For health concerns, consult a qualified healthcare professional. In an emergency, call your local emergency number.