What is the prevalence of serum antibodies in patients with amebiasis?

Updated: Jul 19, 2019
  • Author: Vinod K Dhawan, MD, FACP, FRCPC, FIDSA; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Serum antibodies against amebae are present in 70-90% of individuals with symptomatic intestinal E histolytica infection. [17] Antiamebic antibodies are present in as many as 99% of individuals with liver abscess who have been symptomatic for longer than 1 week. Serologic examination should be repeated 1 week later in those with negative test on presentation. However, serologic tests do not distinguish new from past infection, because the seropositivity persists for years after an acute infection.


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