18 June 2014

Expert Consensus: Viral Load and the Risk of HIV Transmission

A more recent publication based on new studies has just been issued by the Ministère de la Santé et des Services sociaux. This update is titled «L'effet du traitement des personnes vivant avec le VIH sur le risque de transmission sexuelle de l'infection» (The impact of treating people living with HIV on the risk of sexual transmission of the infection) can be found here: (french only).

The CITSS working group was mandated to assess the effect of undetectable viral load on HIV transmission risk in order to support updating the Estimation du risque associé aux activités sexuelles , a resource designed to help guide risk-reduction counselling and to support the assessment of STBBI reports according to section 95 of Québec's Public Health Act.

The CITSS has established that…

Sous-comité Charge virale et risque de transmission du VIH
24 May 2006

Infectious diseases surveillance among injection drug users - Epidemiology of HIV from 1995 to 2004 - Epidemiology of HCV from 2003 to 2004

As of June 30, 2004, 14,773 questionnaires had been administered to 8,964 individuals (Table 1).

Three-quarters of participants are men (6,542/8,964) with an average age of 33. The average age of female participants is 28 (Table 1).

Educational levels are low, with only one in four (269/1,105) participants having completed high school (Table 3; 2003-04 data).

Cocaine is the injection drug most often used (88% of the 8,939 respondents had used cocaine), followed by heroin at 36% (Table 5). Cocaine is also the drug most frequently injected by 75% (6,639/8,897) of participants (Table 9).

Injection drug use varies a lot by region (Table 5). While cocaine is the most pervasive drug in all regions (84-98% of respondents in each region), heroin use is particularly widespread in Montreal (53% of 3,994 respondents), as is dilaudid in Quebec City (10% of 2,420 respondents), non-prescription morphine in Ottawa (35% of 1,367 respondents), and PCP in Saguenay-Lac-…

Groupe d'étude SurvUDI