What is the cause of typhus?
What is the cause of typhus?
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.
Where can typhus bacteria be found?
What is Typhus?
- Murine typhus is passed by fleas to people if the fleas bite infected animals, mainly rats.
- Epidemic typhus is a rare variety spread by infected body lice.
- Scrub typhus is spread by infected chiggers, or mites, mainly found in rural parts of Southeast Asia, China, Japan, India, and northern Australia.
What bacteria causes scrub typhus?
Scrub typhus, also known as bush typhus, is a disease caused by a bacteria called Orientia tsutsugamushi. Scrub typhus is spread to people through bites of infected chiggers (larval mites). The most common symptoms of scrub typhus include fever, headache, body aches, and sometimes rash.
What does typhus do to the human body?
Endemic typhus symptoms can include rash that begins on the body trunk and spreads, high fever, nausea, malaise, diarrhea, and vomiting. Epidemic typhus has similar but more severe symptoms, including bleeding into the skin, delirium, hypotension, and death.
Where is typhus most commonly found?
Epidemic typhus fever occurs most commonly among people living in overcrowded unhygienic conditions, such as refugee camps or prisons. The disease also occurs in people living in the cool mountainous regions of Asia, Africa, and Central and South America.
Is typhus caused by rats?
Murine typhus is a disease carried by rodents (rats, mice, mongoose) and spread to humans by fleas. It is caused by a bacteria called Rickettsia typhi.
What is endemic typhus?
Endemic typhus fever is caused by bacteria called Rickettsia typhi or another bacteria called Rickettsia felis. Endemic typhus is not directly spread from person to person. People become infected when they come into contact with fleas infected with the bacteria that cause endemic typhus fever.
How is typhus diagnosed?
Diagnostic tests for the presence of typhus include:
- skin biopsy: a sample of the skin from your rash will be tested in a lab.
- Western blot: a test to identify the presence of typhus.
- immunofluorescence test: uses fluorescent dyes to detect typhus antigen in samples of serum taken from the bloodstream.
Is typhus a painful death?
Some patients may also have a cough and abdominal pain, joint pain, and back pain. Symptoms may last for about two weeks and, barring complications or death (less than 2% die), symptoms abate. However, epidemic typhus symptoms, although initially similar to endemic typhus, become more severe.