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  1. Aug 8, 2023 · Rickettsia prowazekii is an obligate, intracellular, gram-negative coccobacillus belonging to the genus Rickettsia. It is the causative agent of epidemic typhus which is transmitted by the human body louse. Epidemic typhus presents with a high fever, myalgias, headache, dry cough, delirium and a rash that begins on the trunk and spreads peripherally. This activity reviews the evaluation and ...

    • Sami M. Akram, Megan Ladd, Kevin C. King
    • 2023/08/08
  2. Aug 1, 2023 · Rickettsial diseases are important to consider in acutely unwell patients who recall having been "bitten by something" and/or live in or have travelled to an endemic area. Patients usually present with a fever and may have a rash (usually maculopapular) or an eschar (the bite site of the ectoparasite). Epidemic typhus ( Rickettsia prowazekii ...

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  4. Jan 1, 2019 · The vector biology of rickettsial diseases is only partially known. The human body louse vector of R. prowazekii is the least successful rickettsial host; 100% of infected lice are killed by the rickettsiae.

    • Abha Sahni, Rong Fang, Sanjeev K. Sahni, David H. Walker
    • 10.1146/annurev-pathmechdis-012418-012800
    • 2019
    • 2019/01/01
  5. Jul 26, 2023 · Rickettsia prowazekii is a bacterium responsible for causing epidemic typhus, a severe and potentially life-threatening infectious disease. This comprehensive article aims to provide a detailed understanding of Rickettsia prowazekii infection, including its causes, symptoms, diagnosis, and treatment options.

  6. Jul 17, 2023 · Rickettsia is a group of vector-borne organisms that cause acute febrile illnesses throughout the world.[1] While the clinical presentation of rickettsial infection is similar, the causative species and epidemiology can vary depending on the region. It is important to recognize both the typical symptoms and the epidemiology of a given region to correctly diagnose and treat these infections ...

    • Jessica Snowden, Megan Ladd, Kevin C. King
    • 2023/07/17
  7. Apr 22, 2024 · The typhus group contains Rickettsia typhi, the agent of murine typhus; and Rickettsia prowazekii, the agent of epidemic typhus. The treatment of Rickettsia -caused disease usually involves antibiotics. In the United States, the most serious and commonly reported disease is RMSF. Other Rickettsia -caused diseases are uncommon or rare.

  8. Aug 8, 2023 · 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.

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