We describe the efforts of a 4-city campaign to recruit Black and Hispanic men who have sex with men into an established HIV epidemiological study. The campaign used community organizing principles and a social marketing model that focused on personnel, location, product, costs and benefits, and promotion. The campaign was developed at the community, group, and individual levels to both increase trust and reduce barriers.The proportion of Hispanic men recruited during the 2002-2003 campaign doubled compared with the 1987 campaign, and the proportion and number of White men decreased by 20%. The proportion of Black men decreased because of the large increase in Hispanic men, although the number of Black men increased by 56%. Successful recruitment included training recruitment specialists, involving knowledgeable minority community members during planning, and having an accessible site with convenient hours.
Background: Between 1996 and 2008, the number of newly reported HIV cases in Canada fluctuated between approximately 2,100 and 2,700 cases per year. Objective: To describe the recent trends in new diagnoses of HIV in Canada between 2009 and 2014 by age group, sex, exposure category, race/ethnicity, and region, as well as the number of perinatally HIV-exposed infants. Methods: HIV data were compiled from two databases. The National HIV/AIDS Surveillance System is a passive surveillance system that gathers non-nominal data on a voluntary basis from all the provinces and territories of all cases that meet the national case definition, and includes data on age group, sex, race/ethnicity, country of birth, and exposure categories. The Canadian Perinatal HIV Surveillance Program is a sentinel-based surveillance system; non-nominal data is obtained through a national confidential survey completed by participating physicians. Results: Since 2009 the number of new HIV cases has slowly but steadily declined from 2,391 cases in 2009 to 2,044 in 2014, which is the lowest number of annual HIV cases seen in the last two decades. The largest proportion (32%) of new HIV cases continues to be diagnosed among those 30 to 39 years of age, but the proportion of cases diagnosed among those 50 years of age or over has increased from 15% in 2009 to slightly over 20% in 2014. Approximately 75% of newly diagnosed cases are males and 25% females. In males, the most common exposure category (60%) was men who have sex with men. In females, the most common exposure category (66%) was heterosexual contact followed by injection drug use (27%). Race/ethnicity varied by sex. In males, over 50% were White, 14% were Aboriginal and 13% Black. In females, 35% were Black, 35% were Aboriginal and 22% were White. There were regional variations in HIV rates across Canada. Between 2009 and 2014, the number of perinatally HIV-exposed infants varied between 200 and 249 but the percentage of perinatal treatment increased from 87% in 2009 to 97% in 2014. Conclusion: The annual number of reported HIV cases in Canada has been declining in recent years. The proportion of HIV-positive mothers receiving treatment has increased and the number of confirmed HIV-infected infants has decreased.
RésuméContexte : Entre 1996 et 2008, environ 2 100 à 2 700 nouveaux cas de VIH ont été déclarés chaque année au Canada.Objectif : Décrire les tendances récentes de l'évolution du nombre de nouveaux diagnostics d'infection au VIH au Canada entre 2009 et 2014 par groupe d'âge, sexe, catégorie d'exposition, race/origine ethnique et région ainsi que le nombre de nourrissons ayant été exposés au VIH durant la période périnatale.Méthodologie : Les données sur le VIH proviennent de deux bases de données. Le système national de surveillance du VIH/sida est un système de surveillance passive qui recueille de toutes les provinces et de tous les territoires des données non nominatives volontairement soumises sur tous les cas répondant à la définition de cas nationale, comprenant notamment le groupe d'âge, le sexe, la race/l'origine ethnique, le pays de naissance et la catégorie d'exposition. Le Programme de surveillance périnatale du VIH au Canada est un système de surveillance sentinelle; les données non nominatives sont obtenues au moyen d'une enquête nationale confidentielle menée auprès des médecins participant. Conclusion : Le nombre annuel de cas de VIH déclarés au Canada a diminué au cours de ces dernières années. La proportion de mères séropositives pour le VIH recevant un traitement a augmenté et le nombre de cas confirmés de nourrissons infectés par le VIH a diminué.
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