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E.coli bacteremia is usually the result of a urinary tract infection. Other organisms that can cause community-acquired bacteremia include Pseudomonas aeruginosa, Klebsiella pneumoniae, and Proteus mirabilis. Salmonella infection, despite mainly only resulting in gastroenteritis in the developed world, is a common cause of bacteremia in Africa ...
E. coli (EIEC) found only in humans Bloody or nonbloody EIEC infection causes a syndrome that is identical to shigellosis, with profuse diarrhea and high fever. Enterohemorrhagic E. coli (EHEC) found in humans, cattle, and goats Bloody or nonbloody The most infamous member of this pathotype is strain O157:H7, which causes bloody diarrhea and no ...
Some of them cause primarily respiratory problems (Klebsiella pneumoniae, Legionella pneumophila, Pseudomonas aeruginosa), primarily urinary problems (Escherichia coli, Proteus mirabilis, Enterobacter cloacae, Serratia marcescens), and primarily gastrointestinal problems (Helicobacter pylori, Salmonella enteritidis, Salmonella typhi).
Referred to as E. coli O157:H7 or Shiga toxin-producing E. coli (STEC), this strain of E. coli can be particularly dangerous and even life-threatening. The primary sources of STEC outbreaks are ...
Most strains of E. coli are harmless; however, if the bacterium gets into the bloodstream due to a weakened immune system it can cause infections, ranging from mild to life-threatening.
E. coli is a gram-negative, facultative anaerobe, nonsporulating coliform bacterium. [18] Cells are typically rod-shaped, and are about 2.0 μm long and 0.25–1.0 μm in diameter, with a cell volume of 0.6–0.7 μm 3. [19] [20] [21] E. coli stains gram-negative because its cell wall is composed of a thin peptidoglycan layer and an outer membrane.
SBP is most commonly caused by Gram-negative E. coli, followed by Klebsiella. Common Gram-positive bacteria identified include species of Streptococcus, Staphylococcus, and Enterococcus. [13] The percentage of gram-positive bacteria responsible has been increasing. [7] [13]
"The particular bacteria that are responsible for 80 percent or so of these urinary tract infections are a form of E. coli," said study co-author Edward Egelman in a video released by the ...