Salmonella Typhi

Salmonella Typhi is a Gram-negative bacteria that causes typhoid fever, a life-threatening illness. It is spread through contaminated food, water, or close contact with an infected person.

Symptoms

Symptoms of typhoid fever caused by Salmonella Typhi include high fever, weakness, stomach pains, headache, loss of appetite, and sometimes a rash. If not treated, it can be fatal.

Transmission

Salmonella Typhi is spread through contaminated food or water, or through close contact with someone who's infected. It is most common in places where handwashing is less frequent and water is likely to be contaminated with sewage.

Diagnosis

Diagnosis is made by any blood, bone marrow or stool cultures and with the Widal test (demonstration of antibodies against Salmonella Typhi O, H and Vi antigens) to the bacteria.

Treatment

Typhoid fever is treated with antibiotics. Resistance to multiple antibiotics is increasing among Salmonella that cause typhoid fever.

Prevention

Improved sanitation and vaccination are the best ways to prevent typhoid fever.

See also

• Typhoid fever
• Salmonella

Salmonella Typhi Resources
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