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Tsoi BW, Parker M, Fine SM, et al. HIV Testing [Internet]. Baltimore (MD): Johns Hopkins University; 2022 May.

Cover of HIV Testing

HIV Testing [Internet].

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Key Points
  • If the Geenius HIV 1/2 Supplemental Assay interpretation is nonreactive or indeterminate for any HIV type (HIV-1, HIV-2, or untypable HIV), test the specimens for HIV-1 RNA, even if the result is HIV-2 indeterminate.
  • Nonspecific reactivity could cause an HIV-2 indeterminate result to occur in some cases.
  • If HIV-1 RNA is not detected and the Geenius Reader interpretation is HIV-2 indeterminate or HIV indeterminate, an HIV-2 NAT may be warranted.

From: HIV Testing

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