6 Questions
What is a distinguishing characteristic of Salmonella Typhi?
It is restricted to humans
What is the typical duration of untreated Salmonella Typhi infection?
3-4 weeks
What is a common symptom of Salmonella Typhi infection?
Fever and headaches with muscle aches and pain
What is a possible complication of untreated Salmonella Typhi infection?
Chronic gallbladder infection
What is a characteristic of Salmonella Typhi bacteria?
Motile with long flagella and Gram-negative
How can Salmonella Typhi infection be treated?
Antibiotics
Study Notes
Salmonella Typhi
- Restricted to humans, not found in animals or animal products
- Causes enteric fever, characterized by fever, headaches, muscle aches, and pain
- Cough may occur, but diarrhea is not a common symptom
- Typical rose spots may be present on the abdomen
Symptoms and Complications
- If untreated, lasts for 3-4 weeks
- 3% of cases become chronic carriers, excreting bacteria for up to 50 years, usually from the gallbladder
Characteristics
- Gram-negative rod with long flagella, making it a good swimmer
- Has fimbriae, short appendages for attachment and innate infection
Clinical Presentation
- Enteric fever with flu-like symptoms
- High mortality rate if symptoms persist for over 2 weeks
- Characterized by rose spots on the abdomen
- Low infection dose, can be contracted by coming into contact with contaminated food or objects
Comparison with NTS (Non-Typhoidal Salmonella)
- NTS causes abdominal pain, diarrhea, and nausea, but with low mortality rate
Test your knowledge on Salmonella Typhi, a strain of bacteria that causes enteric fever, a life-threatening disease restricted to humans. Learn about its symptoms, such as fever, headaches, and muscle aches, as well as its treatment and complications.
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