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1. www.cdc.gov › typhus › epidemicEpidemic Typhus | Typhus Fevers | CDC

   www.cdc.gov › typhus › epidemic

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   Nov 13, 2020 · On This Page. Signs and Symptoms. Diagnosis and Testing. Treatment. Prevention. Epidemic typhus, also called louse-borne typhus, is an uncommon disease caused by a bacteria called Rickettsia prowazekii. Epidemic typhus is spread to people through contact with infected body lice.

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   What is Rickettsia prowazekii?

   • Rickettsia prowazekii is an intracellular, gram-negative coccobacillus. It is an obligate parasite. R. prowazekii belongs to the genus Rickettsia and is the causative agent of epidemic typhus. The genus Rickettsia is composed of gram-negative bacteria. Rickettsiae are the closest known relatives of mitochondria in eukaryotic cells.

   Rickettsia Prowazekii - StatPearls - NCBI Bookshelf

   www.ncbi.nlm.nih.gov/books/NBK448173/

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   Are rickettsial diseases life threatening?

   • Most symptomatic rickettsial diseases cause moderate illness, but others, including RMSF (also called Brazilian spotted fever), epidemic typhus, scrub typhus, and Mediterranean spotted fever, can be life-threatening in some cases, particularly when treatment is delayed. Clinical presentations vary with the causative agent and patient.

   Rickettsial Diseases | CDC Yellow Book 2024

   wwwnc.cdc.gov/travel/yellowbook/2020/travel-related-infectious-diseases/rickettsial-including-spotted-fever-and-typhus-fever-rickettsioses-scrub-typhus-anaplasmosis-and-ehr

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   What are the most common rickettsial diseases in travelers?

   • The most diagnosed rickettsial diseases in travelers are in the spotted fever or typhus groups; notably, rickettsial infections can also be caused by emerging and newly recognized species. Tickborne spotted fever rickettsioses are the most frequently reported travel-associated rickettsial infections.

   Rickettsial Diseases | CDC Yellow Book 2024

   wwwnc.cdc.gov/travel/yellowbook/2020/travel-related-infectious-diseases/rickettsial-including-spotted-fever-and-typhus-fever-rickettsioses-scrub-typhus-anaplasmosis-and-ehr

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   Is Rickettsia parkeri a tickborne rickettsial disease?

   • In the past decade, Rickettsia parkeri, Rickettsia species 364D, and EML agent were newly recognized as agents of tickborne rickettsial disease in the United States. SFG rickettsioses, including RMSF, are reported from all of the contiguous 48 states and the District of Columbia.

   Diagnosis and Management of Tickborne Rickettsial Diseases: Rocky

   www.cdc.gov/mmwr/volumes/65/rr/rr6502a1.htm

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3. wwwnc.cdc.gov › travel › yellowbookRickettsial Diseases | CDC Yellow Book 2024

   wwwnc.cdc.gov › travel › yellowbook

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   In many parts of the world, however, rickettsial infections occur year-round. The most diagnosed rickettsial diseases in travelers are in the spotted fever or typhus groups; notably, rickettsial infections can also be caused by emerging and newly recognized species.

4. www.ncbi.nlm.nih.gov › books › NBK448173Rickettsia Prowazekii - StatPearls - NCBI Bookshelf

   www.ncbi.nlm.nih.gov › books › NBK448173

   Aug 8, 2023 · Objectives: Identify R. prowazekii in the etiology of epidemic typhus. Summarize the pathophysiology of epidemic typhus. Describe the use of serological tests in the evaluation of epidemic typhus.

   • Author: Sami M. Akram, Megan Ladd, Kevin C. King

   • Published: 2023/08/08

5. www.cdc.gov › mmwr › volumesDiagnosis and Management of Tickborne Rickettsial Diseases ...

   www.cdc.gov › mmwr › volumes

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   May 13, 2016 · The CDC Rickettsial Zoonoses Branch, in consultation with external clinical and academic specialists and public health professionals, developed this report to assist health care providers and public health professionals to 1) recognize key epidemiologic features and clinical manifestations of tickborne rickettsial diseases, 2) recognize that dox...