Key Points

• Overall increase in STI and HIV testing in Brittany.

HIV/AIDS

• Participation in the LaboVIH survey and reporting of new HIV diagnoses via e-DO by clinicians and laboratory professionals are essential for the production of reliable surveillance indicators.

• Participation in the LaboVIH survey is declining throughout France, including in Brittany.

• Completeness of mandatory reporting (DO) is increasing in Brittany, where it is more than 20 percentage points higher than in the rest of the country.

• HIV testing activity in Brittany is increasing, but remains below its pre-pandemic level. The results from this surveillance must be interpreted in light of this limitation.

• In Brittany, 99% of mandatory reporting is done via e-DO.

Chlamydia trachomatis infection

• The screening rate for Chlamydia trachomatis infections is increasing in Brittany, primarily among women aged 25 and under. The rate is below the national average.

• Diagnoses of Chlamydia trachomatis infections are on the rise among those aged 25 and under, among women, and to a lesser extent, among men.

Gonococcal infection

• Increase in screening, primarily among women aged 25 and under.

Syphilis

• Increase in screening, mainly among those aged 25 and under.