Microorganisms and Disease
Plastic implants can pose a serious nosocomial infection problem because

infected implants usually have to be surgically removed
phagocytes have trouble moving on the plastic surface
phagocytes have trouble engulfing bacteria embedded in a biofilm
All of these

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Microorganisms and Disease
A major difference between EHEC and EPEC is

EPEC rearranges host cell actin and EHEC does not
EHEC secretes a Shiga-like toxin and EPEC does not
EPEC passes through the placenta to infect the fetus and EHEC does not
EHEC possesses a type III secretion system and EPEC does not

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