Colorado Tick Fever

Introduction. 

Colorado tick fever is thought to be one of the most common tick-borne viral infection in the US. , causing fever, headache, and muscle pain.

Summary

• Cause: Coltivirus
• Microscopy: naked dsRNA virus; icosahedral double capsid
• Symptoms: fever, headache, severe myalgia
• Transmission: ticks (vector)
• Complications: hypotension, encephalitis, meningitis
• Pathogenesis: infection of RBC precursos in bone marrow, vascular endothelium
• Treatment: supportive

References/Links

1. http://www.cdc.gov/ncidod/EID/vol11no11/05-0868.htm
2.