Answer ( 1 )

  1. by using theses 2 virulence factors:

    • adhesion factor and
    • fimbriae.

    salmonella enters the body through different routes, saves itself from the phagocytosis and the complement system, then attach with the mucosal surface of the intestine, makes it rough and cause disease. symptoms of the salmonella tend to start within 8hr-72hrs after the infection.

    the infective dose of the salmonella lies between 100-1000CFU…

    hope you got the point.

    thanks.

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