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Typhoid Fever: A Race Against Time

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The life-threatening disease typhoid fever results from the ongoing battle between the bacterial pathogen Salmonella and the immune cells of the body. Prof. Dirk Bumann's research group at the Biozentrum of the University of Basel has now uncovered how the typhoid pathogen repeatedly manages to evade the host's immune system. Their findings are published in the scientific journal Cell Host & Microbe.

Typhoid fever is a bacterial infection caused by the pathogen Salmonella. The infected host's immune system detects Salmonella and activates immune cells such as neutrophils and monocytes. These cells infiltrate the infected tissue and enclose the infection to form an abscess. Although most Salmonella bacteria are readily killed by this immune reaction, Dirk Bumann's group has demonstrated that some escape from the abscess and thus ensure their survival.

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