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Obligate, intracellular, gram-negative coccobacillus
- 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.
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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.
- Pathogenesis of Rickettsial Diseases: Pathogenic and Immune ...
Rickettsia prowazekii carries a high portion (approximately...
- Rickettsial Infection - StatPearls - NCBI Bookshelf
Rickettsia prowazekii and Rickettsia typhi present as typhus...
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- Signs and Symptoms
- Diagnosis and Testing
- Treatment
- Prevention
Symptoms of epidemic typhus begin within 2 weeks after contact with infected body lice. Signs and symptoms may include: 1. Fever and chills 2. Headache 3. Rapid breathing 4. Body and muscle aches 5. Rash 6. Cough 7. Nausea 8. Vomiting 9. Confusion Brill-Zinsser disease Some people can remain infected, without symptoms, for years after they first ge...
The symptoms of epidemic typhus are similar to symptoms of many other diseases. See your healthcare provider if you develop the symptoms listed above following travel or contact with animals.Tell your healthcare provider if you have had contact with flying squirrels or their nests.Your healthcare provider will order a blood test to look for epidemic typhus and other diseases.Laboratory testing and reporting of results can take several weeks. Your healthcare provider may start treatment before results are available.Epidemic typhus should be treated with the antibiotic doxycycline. Doxycycline can be used in persons of any age.Antibiotics are most effective when given soon after symptoms begin.People who are treated early with doxycycline usually recover quickly.There is no vaccine to prevent epidemic typhus.Reduce your risk of getting epidemic typhus by avoiding overcrowded areas.Body lice thrive in areas that are overcrowded and where people aren’t able to bathe or change clothes regularly. To avoid body louse infestations:Rickettsia prowazekii is a species of gram-negative, alphaproteobacteria, obligate intracellular parasitic, aerobic bacillus bacteria that is the etiologic agent of epidemic typhus, transmitted in the feces of lice. In North America, the main reservoir for R. prowazekii is the flying squirrel.
- R. prowazekii
- Rickettsiaceae
Jul 17, 2023 · The specific bacteria that causes this type of typhus is called the Rickettsia prowazekii. It is generally transmitted to lice when they feed on infected hosts.
- Angelica Bottaro
Humans are the usual host for Rickettsia prowazekii, which causes epidemic typhus. Host animals may or may not be ill from the infection. Rickettsiae and rickettsia-like bacteria are usually spread to people through the bites of ticks, mites, fleas, or lice that previously fed on an infected animal.
