Rocky Mountain Spotted Fever

**Definition:** An acute febrile illness caused by RICKETTSIA RICKETTSII. It is transmitted to humans by bites of infected ticks and occurs only in North and South America. Characteristics include a sudden onset with headache and chills and fever lasting about two to three weeks. A cutaneous rash commonly appears on the extremities and trunk about the fourth day of illness.

**Tree numbers:** - C01.150.252.400.789.725.400.500 - C01.920.930.887.500

**Synonyms:** - Brazilian Spotted Fever - Rickettsia rickettsii Infection - Sao Paulo Typhus - Typhus, Sao Paulo