Yersinia Pseudotuberculosis Theresa J. Ochoa Thomas G. Cleary Yersinia pseudotuberculosis causes gastroenteritis and mesenteric lymphadenitis. It also mimics Kawasaki disease and rarely causes septicemia. ETIOLOGY Y. pseudotuberculosis belongs to the…
Yersinia Enterocolitica Theresa J. Ochoa Thomas G. Cleary Yersinia enterocolitica produces acute gastroenteritis in younger children and mesenteric adenitis in older children. It also has been associated with a variety…
Tuberculosis Jeffrey R. Starke Tuberculosis remains the most important chronic infectious disease in the world in terms of morbidity, mortality, and cost. An estimated 2 billion people worldwide are infected…
Nontuberculous Mycobacteria Jeffrey R. Starke Mycobacteria other than Mycobacterium tuberculosis and M. leprae are known by several names, including nontuberculous, atypical, unclassified, environmental, and opportunistic mycobacteria. Nontuberculous mycobacteria (NTM) is…
Group A Streptococcal Infections Julia A. McMillan Ralph D. Feigin MICROBIOLOGY Streptococcus pyogenes (group A streptococcus) is a gram-positive coccus that produces clear (beta) hemolysis on blood agar. This bacteriologic…
Staphylococcal Infections Christian C. Patrick Umbereen S. Nehal Ralph D. Feigin Staphylococci are ubiquitous bacteria that colonize and are pathogenic for humans and animals. Staphylococcus aureus is the predominant pathogen…
Shigellosis Theresa J. Ochoa Thomas G. Cleary Shigellosis is the most common cause of dysentery and a leading cause of death in developing countries. It is characterized by acute febrile…
Salmonella Infections Larry K. Pickering Salmonellosis is a term that refers to infections caused by the genus Salmonella, which contains approximately 2,500 serotypes. Two broad clinical syndromes are produced by…
