Because of a lapse in government funding, the information on this
website may not be up to date, transactions submitted via the
website may not be processed, and the agency may not be able to
respond to inquiries until appropriations are enacted. The NIH
Clinical Center (the research hospital of NIH) is open. For more
details about its operating status, please visit
cc.nih.gov. Updates
regarding government operating status and resumption of normal
operations can be found at
opm.gov.
Rocky Mountain Spotted Fever MeSH Descriptor Data 2026
caused by Rickettsia rickettsii; for X ref, in titles & translations use diacrit: São Paulo
Scope Note
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.
Entry Term(s)
Brazilian Spotted Fever
Rickettsia rickettsii Infection
Sao Paulo Typhus
Typhus, Sao Paulo
NLM Classification #
WC 620
History Note
SAO PAULO TYPHUS was see under ROCKY MOUNTAIN SPOTTED FEVER 1963-76
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.