Acknowledgments Substantial contributions of Eugene D. Shapiro to this chapter in previous editions are recognized with gratitude. Borrelia Species (Relapsing Fever) Borellia species are generally divided in two major groups: B. burgdorferi sensu lato, which includes the causative agents of…
Acknowledgments Substantial contributions of Eugene D. Shapiro to this chapter in previous editions are recognized with gratitude. Pathogens and Pathogenesis The Leptospira genus consists of a group of motile, finely coiled, catalase-producing spirochetal bacteria that are obligate aerobes . The…
Diphtheria is a toxicosis caused by infection with Corynebacterium diphtheriae. The genus and species names are derived from Greek roots: korynee (“club”) after the microscopic appearance of the organisms and diphtheria (“leather hide”) for the pseudomembrane that is the hallmark…