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Lancet. 1994 Jun 4;343(8910):1393-4.

HIV-1/HIV-2 seronegativity in HIV-1 subtype O infected patients.

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Virology Department, Bichat-Claude Bernard Hospital, Paris, France.


Nine patients with atypical HIV-1 western blot profiles were diagnosed as having HIV-1 subtype O infection. All the patients were living in France; eight originated from Cameroon and one from France. Lymphocyte DNA amplification by the polymerase chain reaction was only positive when HIV-1 subtype O specific primers were used. Preliminary sequence analysis of amplified products and serological reactivity against a specific subtype O synthetic env peptide confirmed HIV-1 subtype O infection. HIV-1/HIV-2 enzyme-linked immunosorbent assays, especially those based on env peptides or on the sandwich format, can be negative in HIV-1 subtype O infection.

[Indexed for MEDLINE]

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