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Surveillance Report to December 31, 2007

Surveillance and Risk Assessment Division
Centre for Infectious Disease Prevention and Control
Public Health Agency of Canada

PDF Version PDF version
93 Pages - 3 MB
Cat. No. HP37-2/2007-1-2
ISBN 978-0-662-05688-1

Acknowledgements: National level HIV and AIDS surveillance is possible as a result of all provinces and territories participating in, and setting directions for, HIV and AIDS surveillance. Accordingly, the Public Health Agency of Canada acknowledges the provincial/territorial HIV/AIDS coordinators, laboratories, health care providers and reporting physicians for providing the non‑nominal confidential data that enable this report to be published. Without their close collaboration and participation in HIV and AIDS surveillance, the publication of this report would not have been possible. A complete listing of these contributors is available in Appendix 5.

N.B. This document must be cited as the source for any information extracted and used from it.

Suggested citation: Public Health Agency of Canada. HIV and AIDS in Canada. Surveillance Report to December 31, 2007. Surveillance and Risk Assessment Division, Centre for Communicable Diseases and Infection Control, Public Health Agency of Canada, 2008.

Table of Contents

At a Glance

Tables

Section I
HIV in Canada: Positive HIV test reports to December 31, 2007 and Reported to PHAC up to February 15, 2008

  1. Number of positive HIV test reports by year of test (all ages)
  2. Cumulative number of positive HIV test reports occurring in adults and children by gender between November 1, 1985, and December 31, 2007
  3. Number of positive HIV test reports among adults (≥ 15 years) by year of test and gender
    1. Number of positive HIV test reports by age group and year of test
    2. Number of positive HIV test reports among males by age group and year of test
    3. Number of positive HIV test reports among females by age group and year of test
    1. Number and percentage distribution of positive HIV test reports among adults (≥ 15 years) by exposure category and year of test
    2. Number and percentage distribution of positive HIV test reports among adult males (≥ 15 years) by exposure category and year of test
    3. Number and percentage distribution of positive HIV test reports among adult females (≥ 15 years) by exposure category and year of test
    4. Number and percentage distribution of positive HIV test reports among children (< 15 years) by exposure category and year of test
    5. Number of positive HIV test reports by exposure category and age group between January 1, 2006 and December 31, 2007
    1. Number of positive HIV test reports by province/territory and gender between November 1, 1985, and December 31, 2007 (all ages)
    2. Number of positive HIV test reports by province/territory and year of test (all ages)
    3. Rate of positive HIV test reports among adults (≥ 15 years) (per 100,000 population) by province/territory and year of test
  7. Number of positive HIV test reports by exposure category and province/territory between January 1 2006, and December 31, 2007 (all ages)
  8. Number of positive HIV test reports by exposure category and province/territory between January 1 2006, and December 31, 2007 (all ages)

    Section II
    Report of the Canadian Perinatal HIV Surveillance Program, 1984-2007
  9. Number of positive HIV test reports by year of test and ethnic status for those provinces/territories that submitted ethnicity data between 1998 and December 31, 2007 (all ages)
  10. Number of Canadian perinatally HIV-exposed infants by year of birth, current status and use of antiretroviral therapy (ART) for prophylaxis, 1984-2007
  11. Cumulative number of Canadian perinatally HIV-exposed infants by geographic region and status at last report, 1984-2007
  12. Cumulative number of Canadian perinatally HIV-exposed infants by ethnic status and current status, 1984-2007

    Section III
    AIDS in Canada: AIDS Surveillance to December 31, 2007 and Reported to PHAC up to February 15, 2008
  13. Number of reported AIDS cases by year of diagnosis (all ages)
  14. Cumulative number of reported AIDS cases occurring in adults and children by gender between 1979 and December 31, 2007
  15. Number of reported AIDS cases among adults (≥ 15 years) by year of diagnosis and gender.
    1. Number of reported AIDS cases by age group and year of diagnosis
    2. Number of reported AIDS cases among males by age group and year of diagnosis
    3. Number of reported AIDS cases among females by age group and year of diagnosis
    1. Number and percentage distribution of reported AIDS cases among adults (≥ 15 years) by exposure category and year of diagnosis
    2. Number and percentage distribution of reported AIDS cases among adult males (≥ 15 years) by exposure category and year of diagnosis
    3. Number and percentage distribution of reported AIDS cases among adult females (≥ 15 years) by exposure category and year of diagnosis
    4. Number and percentage distribution of reported AIDS cases among children (< 15 years) by exposure category and year of diagnosis
    5. Number of reported AIDS cases among adults (≥ 15 years) by exposure category and age group between 1979 and December 31, 2007
    6. Number of reported AIDS cases among children (< 15 years) by exposure category and age group between 1979 and December 31, 2007
    1. Number of reported AIDS cases by province/territory and gender between 1979 and December 31, 2007 (all ages)
    2. Number of reported AIDS cases by province/territory and year of diagnosis (all ages)
    3. Number of reported AIDS cases among males by province/territory and year of diagnosis (all ages)
    4. Number of reported AIDS cases among females by province/territory and year of diagnosis (all ages)
  19. Number and percentage distribution of reported AIDS cases by province/territory and exposure category to December 31, 2007 (all ages)
  20. Number of reported AIDS cases by year of diagnosis and ethnic status (all ages)

    Section IVa.
    Mortality due to HIV/AIDS in Canada: Surveillance to December 31, 2007, and Reported to PHAC up to February 15, 2008
  21. Reported deaths among reported AIDS cases by year of death (all ages)
  22. Cumulative number of reported deaths among reported AIDS cases occurring in adults and children by age of death and gender between 1979 and December 31, 2007
  23. Reported deaths among reported AIDS cases among adults (≥ 15 years) and children by year of death
  24. Reported deaths among reported AIDS cases among adults (≥ 15 years) by year of death and gender
    1. Reported deaths among reported AIDS cases and percentage distribution of adults (≥ 15 years) by exposure category and year of death
    2. Reported deaths among reported AIDS cases and percentage distribution of adult< males (≥ 15 years) by exposure category and year of death
    3. Reported deaths among reported AIDS cases and percentage distribution of adult females (≥ 15 years) by exposure category and year of death

Section IVb.
Mortality due to HIV/AIDS in Canada: Vital Statistics from 1987 to December 31, 2004

21S. Number of deaths attributed to HIV infection by year of death (all ages)

22S. Number of deaths attributed to HIV infection by age of death and gender from 1987 to December 31, 2004

23S. Deaths attributed to HIV infection among adults (≥ 15 years) and children by year of death

24S. Deaths attributed to HIV infection among adults (≥ 15 years) by year of death and gender

Section V
International Statistics on AIDS

Appendices

Appendix 1. Technical Notes

Appendix 2. Data Limitations

Appendix 3. Terminology

Appendix 4. HIV Endemic Countries List

Appendix 5. Data Sources

Information to the readers of HIV and AIDS in Canada

On behalf of the HIV/AIDS Surveillance Section, we would like to present you with the HIV and AIDS in Canada: Surveillance Report to December 31, 2007. This report is part of an annual series providing a review of available HIV and AIDS surveillance data in Canada. A summary of the mid-year data, to June 30, 2008, will be available at the end of this year, on the Public Health Agency website in a few key tables.

The HIV/AIDS Surveillance section is part of the Surveillance and Risk Assessment Division, at the Centre for Communicable Diseases and Infection Control. This section is responsible for data collection and management, analysis and report production. In addition, we continue to improve data quality, define and set surveillance standards, as well as support the use of these data to influence programmatic and policy action.

The main findings of the surveillance data are outlined in the section entitled At a Glance, and this is followed by a series of tables summarizing the underlying data. Technical notes and data limitations are available in the Appendices. Explanatory details specific to provincial or territorial surveillance data issues are located at the beginning of each section. A further description of HIV and AIDS surveillance data is available in the HIV/AIDS Epi Updates reports that are also available on our website.

The publication of this report would not be possible without the submission of HIV and AIDS surveillance data from all provinces and territories. Their ongoing contribution to national HIV and AIDS surveillance is gratefully acknowledged and is further listed in Appendix 5.

Yours sincerely,

K Lalonde J Stokes C Archibald
Kristina Lalonde
A/Senior Research Analyst
HIV/AIDS Surveillance Section		 Julie Stokes
Senior Surveillance Analyst
HIV/AIDS Surveillance Section		 Dr. Chris Archibald
Director
Surveillance and Risk Assessment Div

At a Glance

HIV/AIDS Surveillance to December 31, 2007

The following report outlines HIV and AIDS surveillance data and provides a description of persons who have been diagnosed with HIV and AIDS in Canada. Surveillance data understate the magnitude of the HIV epidemic and consequently do not represent the total number of people infected with HIV (prevalence) or the number newly infected each year (incidence). Some of the reasons for this include the fact that surveillance data are subject to delays in reporting, underreporting and changing patterns in HIV testing behaviours (who comes forward for testing). In addition, surveillance data can only tell us about persons who have been tested and diagnosed with HIV or AIDS and not those who remain untested and undiagnosed. Furthermore, because HIV is a chronic infection with a long latent period, many persons who are newly infected in a given year may not be diagnosed until later years.

The Public Health Agency of Canada (PHAC) produced estimates of HIV prevalence to the end of 2005 and HIV incidence in 2005.1 These estimates were created using a combination of methods, incorporating data from a wide variety of sources, including HIV test reports, AIDS case reports, population-based surveys, targeted epidemiologic studies and census data. It was estimated that at the end of 2005 there were approximately 58,000 (48,000-68,000) people in Canada living with HIV (including those living with AIDS), of whom approximately 27% were undiagnosed. The number of people in Canada newly infected with HIV in 2005 was estimated to be 2,300 - 4,500. Estimates of HIV prevalence and incidence are produced by PHAC every three years. The next HIV estimates for 2008 will be published in 2009.

1Boulos D, Yan P, Schanzer D, Remis RS, Archibald CP. Estimates of HIV prevalence and incidence in Canada, 2005. Canada Communicable Disease Report, Volume 32, Number 15, August 2006.

Date Modified: 2008-12-01

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