Key points

HIV/AIDS

• The completeness of the DO and participation in LaboVIH were satisfactory in the Pays de la Loire region, at >80% and 89%, respectively.

• HIV Testing:

  • HIV testing is increasing while the positivity rate is decreasing.

  • The screening rate in the region remains, however, below the national rate.

• HIV diagnosis:

  • Although the positivity rate in screening is decreasing, the number of HIV diagnoses increased in 2022

  • 58% of patients were born abroad.

Bacterial STIs: Chlamydia trachomatis, gonorrhea, and syphilis

• CEGIDD participation in STI surveillance is low in the Pays de la Loire region compared to France in 2022 (36% vs. 76%) but has increased compared to 2021 (21%).

• Screening: SNDS data show an increase in screening tests for all three diseases in the region.

• Diagnosis (excluding gonorrhea):

  • There has been a marked increase in syphilis diagnoses among men aged 26 to 49.

  • Young women aged 15 to 25 have the highest rate of chlamydia diagnosis (300 per 100,000 inhabitants in 2022), but this rate has remained stable since 2019.