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Since CoRIS was created in 2004, the number of participating centres has increased steadily. The cohort currently comprises 53 centres from 16 autonomous communities. The number of individuals participating in the cohort has also been growing, from 816 in 2004 to 22.160 in 2025.
CoRIS participants’ sociodemographic characteristics have also changed over the past 20 years. Men’s participation rate has risen from 76.3% in 2004 to 85.9% in 2025.
Likewise, the rate of participants over 50 has risen significantly. In 2004, only 8.8% of CoRIS participants were older than 50, whereas this age group accounted for 37.8% of the cohort in 2025.
Furthermore, the rate of participants contracting the infection due to risk behaviour in homo/bisexual intercourse has risen (from 39.1% in 2004 to 65.3% in 2025). We have seen a decrease in the rate of participants infected as a result of injecting drug use, from 22.7% in 2004 to 3,7% in 2025.
On a different note, 55.6% out of CoRIS’s 22.160 current participants are Spanish, and 26.8% originate from Latin America. 30.86% of participants have a college degree.
90.34% have started antiretroviral treatment, and 57% have some samples at HIV BioBank.
For more information on CoRIS cohort latest data:
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summary by clicking here:
You can download CoRIS graphical
summary by clicking here:
See document
summary by clicking here:
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