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. 2005 Aug 15;39(5):587-92.

Trends of HIV-1 seroincidence among HIV-1 sentinel surveillance groups in Cambodia, 1999-2002

Vonthanak Saphonn  1 , Bharat S Parekh, Trudy Dobbs, ChiVun Mean, Leng Hor Bun, Sun Penh Ly, Sopheab Heng, Roger Detels
Affiliations

Trends of HIV-1 seroincidence among HIV-1 sentinel surveillance groups in Cambodia, 1999-2002

Vonthanak Saphonn et al. J Acquir Immune Defic Syndr. .

Abstract

This study reports trends in HIV-1 incidence in Cambodia among different target groups in the HIV-1 Sentinel Surveillance Program in 1999, 2000, and 2002, using the newly developed IgG capture BED-enzyme (HIV subtypes B, E and D) immunoassay (BED-CEIA). HIV-1-positive specimens (n=3599) from 4 sentinel groups in the HIV-1 Sentinel Surveillance Program from 1999 to 2002-brothel-based commercial sex workers (CSWs), indirect commercial sex workers (IDSWs), police, and women attending antenatal clinics (ANCs)-were tested using the BED-CEIA. Annualized incidence rates were calculated for each group and each geographic region. Between 1999 and 2002, incidence rates declined among CSWs from 13.9% to 6.45%, among IDSWs from 5.92% to 2.87%, and among police from 1.58% to 0.26%. In the ANC group, the incidence remained stable, 0.64% in 1999, 1.11% in 2000, and 0.59% in 2002. However, there was an increasing trend among ANCs in rural areas, from 0.12 to 0.89%. In conclusion, HIV-1 incidence among CSWs, IDSWs, and police has declined between 1999 and 2002; however, the incidence has not declined in the ANC group.

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Figures

FIGURE 1
FIGURE 1
Trend of HIV-1 incidence among ANCs in different regions in Cambodia.
FIGURE 2
FIGURE 2
Trend of HIV-1 incidence among CSWs in different regions in Cambodia.
FIGURE 3
FIGURE 3
Trend of HIV-1 incidence among IDSWs in different regions in Cambodia.
FIGURE 4
FIGURE 4
Trend of HIV-1 incidence among police in different regions in Cambodia.
See this image and copyright information in PMC

References

    1. Report on Sentinel Surveillance in Cambodia, 1998. Cambodia: Phnom Penh; 1999. National Center for HIV/AIDS, Dermatology and STD Control, Cambodia.
    1. Report on HIV Sentinel Surveillance in Cambodia, 1999. Cambodia: Phnom Penh; 2000. National Center for HIV/AIDS, Dermatology and STD Control, Cambodia.
    1. Report on HIV Sentinel Surveillance in Cambodia, 2000. Cambodia: Phnom Penh; 2001. National Center for HIV/AIDS, Dermatology and STD Control, Cambodia.
    1. Dissemination Workshop of HIV-1 Sentinel Surveillance Cambodia, 2002. Cambodia: Phnom Penh; 2002. National Center for HIV-1/AIDS, Dermatology and STDs Control, Cambodia.
    1. WHO/UNAIDS. AIDS Epidemic Update. Geneva, Switzerland: 2002.

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