Key Points

HIV Infections and AIDS

• HIV Surveillance in Provence-Alpes-Côte d'Azur (PACA) in 2023

  • Participation by clinical laboratories in LaboVIH reached 92% thanks to strong engagement by stakeholders, higher than in mainland France excluding the Île-de-France (IdF) region

  • The completeness of the data set was 76%, close to that of mainland France excluding IdF

• HIV testing activity increased in 2023 in the PACA region

  • The rate per 1,000 inhabitants was 135, higher than in mainland France (IdF)

  • The positivity rate was 1.3 per 1,000 serological tests, slightly higher than in mainland France excluding the Île-de-France region

  • The number of HIV tests increased significantly compared to 2022, rising from 15,667 to 63,754, with a sharp increase in the last quarter of 2023

• The number of new HIV diagnoses is increasing in 2023

  • The estimated number, based on data adjusted for underreporting and reporting delays, was 358 new cases

  • The adjusted rate was 69.2 per million inhabitants, higher than in mainland France excluding the Île-de-France region

• HIV incidence and the number of undiagnosed cases in the PACA region for 2023

  • The number of newly infected people in the region was estimated at 234 (95% CI: 152–316)

  • The number of people living with HIV without knowing their status in the region was estimated at 663 (95% CI: 561–764) at the end of 2023

• AIDS diagnoses in the PACA region in 2023

  • The number of AIDS diagnoses, adjusted for underreporting and reporting delays, was estimated at 50 (95% CI: 31–69)

Chlamydia trachomatis (Ct) infection

• The screening rate in 2023 was 47.4 per 1,000 inhabitants

• The diagnosis rate in 2023 was 88.9 per 100,000 inhabitants, remaining stable in 2023

• The number of Ct infections diagnosed in CeGIDD in 2023 was 2,100

Gonococcal infection

• The screening rate in 2023 was 54 per 1,000 inhabitants

• The diagnosis rate in 2023 was 26.1 per 100,000 inhabitants

• The number of gonococcal infections diagnosed at CeGIDD in 2023 was 1,600

Syphilis

• The screening rate in 2023 was 51.8 per 1,000 inhabitants

• The diagnosis rate in 2023 was 7.3 per 100,000 inhabitants

• The number of syphilis cases diagnosed at CeGIDD in 2023 was 292