[Evaluation of the efficacy of the Toxoplasma gondii screening program among pregnant women in Nunavik, 1994-2003].

Objectives: (1) To evaluate the efficacy of the Toxoplasma gondii screening program among Nunavik pregnant women in identifying seroconversions during pregnancy and performing an appropriate follow-up of the seroconverted women and their child; and (2) to evaluate the consequences of congenital Toxoplasma gondii infection.

Participants: Women of child-bearing age and their children born between January 1994 and September 2003.

Setting: Nunavik.

Determinants of HIV seroconversion among men who have sex with men living in a low HIV incidence population in the era of highly active antiretroviral therapies.

Objective: To estimate human immunodeficiency virus (HIV) incidence and associated risk factors among men who have sex with men (MSM) participating in the Omega Cohort Study in Montreal, 1996-2003.

Methods: Longitudinal study of 1587 MSM seronegative at baseline with > or =1 six-month follow-up visit. Multivariate Cox regression with time-dependent variables was used for data analysis.