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Sources of HIV Epidemiological Data for Monitoring and Estimating the burden of HIV

Sources of HIV Epidemiological Data for Monitoring and Estimating the burden of HIV. Txema Calleja, World Health Organization. Outline. WHO/UNAIDS technical recommendations HIV sentinel surveillance: ANC and Key Populations National Population HIV based surveys Conclusions. HIV and

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Sources of HIV Epidemiological Data for Monitoring and Estimating the burden of HIV

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  1. Sources of HIV Epidemiological Data for Monitoring and Estimating the burden of HIV Txema Calleja, World Health Organization

  2. Outline • WHO/UNAIDS technical recommendations • HIV sentinel surveillance: ANC and Key Populations • National Population HIV based surveys • Conclusions

  3. HIV and AIDS case & mortality reporting STI Surveillance Size Estimation of Risk Groups Second Generation Surveillance (SGS) Behavioural or Bio-Behavioural Surveys Sentinel Surveillance UNAIDS/WHO HIV Surveillance Working Group:Second Generation Surveillance framework

  4. UNAIDS/WHO Global Surveillance Working Group on HIV/AIDS and STI surveillance 1997……

  5. Second Generation Surveillance: Norms, standards, guidelines, recommendations

  6. HIV Surveillance recommendations What to do where?

  7. For Low and Concentratedepidemics • HIV infection case reporting, new diagnosis • Integrated Biological Behavioural Surveillance for HIV/STI among Key Populations • Population size estimates • Mortality surveillance

  8. For Generalisedepidemics • HIV sentinel surveillance among ANC • HIV infection case reporting, new diagnosis • National Population based HIV surveillance • IntegratedBiological and Behaviour surveillance • among KP • Mortality surveillance

  9. HIV Sentinel Surveillance Some examples of country data

  10. HIV sentinel surveillance in generalised epidemics among ANC

  11. HIV median prevalence among ANC 15 to 49 years old people

  12. HIV median prevalence among young people

  13. Monitoring trends in young people

  14. National Population based surveys: 48 countries

  15. National Population based surveys: Level of HIV prevalence

  16. National Population based surveys: HIV prevalence men and women (15-49 y)selected countries

  17. HIV among men who have sex with men in sub-Saharan Africa HIV prevalence (%) among male adults 15–49 years old who have sex with men in seven countries in sub-Saharan Africa, 2009 or latest available year. Source: Baral et al. (28); Nigeria Federal Ministry of Health (29); Lane et al. (30); Parry et al. (31); Sander et al. (32); Sander et al. (33); and Wade et al. (34). Marps or Key populations highlighted in SSA

  18. Trends in HIV prevalence among female sex workers, selected sentinel sites, 2004-2008 Source: Directorate General of Disease Control and Environmental Health, Ministry of Health, Indonesia (2009). Progress Report HIV & AIDS Situation in Indonesia up to December 2009, the Ministry of Health

  19. Myanmar: Trends of HIV prevalence among key affected populations and male STI patients, 1992-2009 Sources: Prepared by www.aidsdatahub.org based on 1. National AIDS Programme Myanmar, & WHO. (2007). HIV Sentinel Sero-Surveillance Survey 2007, 2. National AIDS Programme Myanmar, & WHO. (2009). HIV Sentinel Sero-Surveillance Survey 2008 and 3. National AIDS Programme Myanmar, & WHO. (2010). HIV Sentinel Sero-Surveillance Survey 2009

  20. Quality of HIV sero surveillance in low and middle income countries

  21. Conclusions • Need to reinforce and maintain HIV surveillance • Increase ART coverage it makes more difficult to interpret HIV trends, need to look for new infections • Consistency of population, sites and tools are key to improve HIV surveillance

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