Salmonella typhi

Salmonella Typhi is a Gram-negative bacteria that causes typhoid fever, a life-threatening illness. It is part of the Salmonella genus of bacteria, which also includes species that cause food poisoning and other illnesses.

Overview

Salmonella Typhi is unique because it is only found in humans. It is transmitted through contaminated food or water, or through close contact with an infected person. The bacteria invade the intestinal tract and then spread to the bloodstream and other parts of the body.

Symptoms

The symptoms of typhoid fever caused by Salmonella Typhi include high fever, weakness, stomach pain, headache, and loss of appetite. In some cases, patients may have a rash of flat, rose-colored spots.

Diagnosis

Diagnosis of typhoid fever is made by testing blood, stool, or bone marrow for the presence of Salmonella Typhi. The bacteria can be identified through microscopy or culture.

Treatment

Treatment for typhoid fever usually involves antibiotics to kill the bacteria. In severe cases, hospitalization may be required.

Prevention

Prevention of typhoid fever involves proper sanitation and hygiene, including handwashing and safe food handling. Vaccines are also available.

See also

• Typhoid fever
• Salmonella
• Gram-negative bacteria

Salmonella typhi Resources
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