Volume 11, Number 12, December 2005

Central African Hunters Exposed to Simian Immunodeficiency Virus

Marcia L. Kalish,* Nathan D. Wolfe,† Clement B. Ndongmo,* Janet McNicholl,* Kenneth E. Robbins,* Michael Aidoo,* Peter N. Fonjungo,*‡ George Alemnji,‡ Clement Zeh,* Cyrille F. Djoko,§ Eitel Mpoudi-Ngole,‡ Donald S. Burke,† and Thomas M. Folks*
*Centers for Disease Control and Prevention, Atlanta, Georgia, USA; †Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA; ‡Project IRECAM (Investigation of Retroviruses in Cameroon), Yaoundé, Cameroon; and §Johns Hopkins Cameroon Program, Yaoundé, Cameroon

Figure 2. Interferon-γ enzyme-linked immunospot reactivity stimulated with SIVcol peptides from the env and gag regions in peripheral blood lymphocytes (PBLs) from a person seropositive for both the SIVcol V3 and immunodominant region (IDR) peptides and a seronegative person from Africa (both men). To include both assays in a single graph, the number of spots per 10⁶ PBLs for each pool of gag peptides was divided by the number of spots per 10⁶ PBLs in the medium control. This value was expressed as the level of reactivity above background; i.e., the value 2 on the y-axis stands for 2× the number of spots in the negative (medium) control.

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This page last reviewed November 4, 2005

Emerging Infectious Diseases Journal
National Center for Infectious Diseases
Centers for Disease Control and Prevention