What is the indication for an HIV serology test in the workup of fever of unknown origin (FUO)?

Updated: May 17, 2021
  • Author: Sandra G Gompf, MD, FACP, FIDSA; Chief Editor: Michael Stuart Bronze, MD  more...
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If any test should be routinely included in the evaluation of FUO, HIV antigen-antibody assay should. Antigen-antibody assay results are positive early in infection, thus eliminating need for HIV viral load screening because of lag in antibody seroconversion.

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