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Rickettsial diseases are characterized by a range of symptoms, which can vary depending on the specific type of rickettsial infection but often include fever, headache, rash, and muscle aches. Some well-known rickettsial diseases include:
Rickettsialpox is a mite-borne infectious illness caused by bacteria of the genus Rickettsia (Rickettsia akari). [1] Physician Robert Huebner and self-trained entomologist Charles Pomerantz played major roles in identifying the cause of the disease after an outbreak in 1946 in a New York City apartment complex, documented in "The Alerting of Mr. Pomerantz," an article by medical writer Berton ...
Infectious disease: Symptoms: Early: Fever, headache [3] Later: Rash [3] Complications: Hearing loss, loss of limbs [3] Usual onset: 2 to 14 days after infection [2] Duration: 2 weeks [2] Causes: Rickettsia rickettsii spread by ticks [4] Diagnostic method: Based on symptoms [5] Differential diagnosis
No rapid laboratory tests are available to diagnose rickettsial diseases early in the course of illness, and serologic assays usually take 10–12 days to become positive. Research is indicating that swabs of eschars may be used for molecular detection of rickettsial infections. [6] [7]
Spotted fever rickettsiosis, also known as spotted fever group rickettsia (SFGR), is a group of infections that include Rocky Mountain spotted fever, Rickettsia parkeri rickettsiosis, Pacific Coast tick fever, and rickettsialpox. [2] The group of infections was created in 2010 as they are difficult to tell apart. [2]
Rickettsia typhi is a small, gram-negative intracellular bacterium that establishes the murine typhus infection in mammals and fleas. [30] Murine typhus was once one of the most prevalent rickettsial diseases in the world, [8] [9] [10] having isolated the R. typhi causative agent from nearly every continent around the globe except for Antarctica.
Pathogenic Rickettsia species are transmitted by numerous types of arthropods, including chiggers, ticks, fleas, and lice, and are associated with both human and plant diseases. [16] Most notably, Rickettsia species are the pathogens responsible for typhus, rickettsialpox, boutonneuse fever, African tick-bite fever, Rocky Mountain spotted fever ...
The Centers for Disease Control and Prevention states that the diagnosis of Rocky Mountain Spotted Fever (RMSF) must be made based on the clinical signs and symptoms of the patient and then later be confirmed using specialized laboratory tests. However, the diagnosis of Rocky Mountain Spotted Fever is often misdiagnosed due to its non-specific ...