Gram Negative Bacilli
A 4-year-old has fever and diarrheA. Blood culture grows a gram-negative roD. This is most likely to be which of the following?
|A||Group B Streptococcus|
a. Enterocolitis is the most common manifestation of Salmonella infection. In the United States, S. typhimurium and S. enteritidis are prominent, but enterocolitis may be caused by more than 3000 strains of Salmonella.
b. Bacteremia is rare (2-4%) except in immunodeficient persons, infants and elderlies.
c. Stool cultures may remain positive for Salmonella weeks after clinical recovery. Streptococci and Listeria stain gram-positive, and Shigella organisms rarely, if ever, enter the blood stream from the intestines.