Key Points

Tuberculosis

• Increase in the number of reported cases in 2023 in Nouvelle-Aquitaine (+17% compared to 2022), as in mainland France.

• Reported rate remains below the national average, with 5.0 reported cases per 100,000 inhabitants in the region in 2023 (compared to 7.1 per 100,000 inhabitants in mainland France).

• Disparities between departments, with higher reporting rates (>5 cases per 100,000 inhabitants) in Haute-Vienne, Gironde, Pyrénées-Atlantiques, Deux-Sèvres, and Vienne in 2023.

• A particularly marked increase in the reporting rate among 15- to 24-year-olds in 2023.

• Continued increase in the reporting rate among people born abroad, particularly among those born in sub-Saharan Africa.

• Nearly three-quarters of cases presented with a pulmonary form, as in previous years.

• Increase in cases detected through screening in 2023.

Treatment Outcomes

• Information on treatment outcomes was available for less than half of the cases reported in the region in 2022, a decrease from the previous year.

• Of these cases, 80% had completed treatment, a proportion that remains below the World Health Organization (WHO) target of 90%.

Latent Tuberculosis Infections (LTIs)

• The number of reported LTI cases among those under 18 continued to rise in 2023 in Nouvelle-Aquitaine (+11% compared to 2022).

• About one-third of reported LTI cases resided in the Pyrénées-Atlantiques department.

• Case characteristics remained unchanged from previous years: the majority were young men aged 15 to 18, born abroad, living in group settings.