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| | eMedicine - Typhoid Fever : Article by Roberto Corales, DO (Site not responding. Last check: 2007-11-07) |
 | | Caused by S typhi and occurring only in humans, typhoid fever is a severe multisystemic illness characterized by the classic prolonged fever, sustained bacteremia without endothelial or endocardial involvement, and bacterial invasion of and multiplication within the mononuclear phagocytic cells of the liver, spleen, lymph nodes, and Peyer patches. |
 | | Typhoid and paratyphoid fevers are endemic in the Indian subcontinent, Southeast and Far East Asia, the Middle East, Africa, Central America, and South America. |
 | | Typhoid vaccines lose effectiveness after several years; consultation with a physician knowledgeable in travel medicine is advised if the patient is traveling several years after receiving the vaccination. |
| www.emedicine.com /MED/topic2331.htm (7622 words) |
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