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Updated: Jun 25, 2026

A Tuberculosis Molecular Bacterial Load Assay (TB-MBLA)
Published on: April 30, 2020
[Recording of tuberculosis cases reported by ANAEM in 2006]
1Direction de la santé publique, ANAEM, 44, rue Bargue, 75732 Paris cedex 15, France. marc.wluczka@anaem.fr
Abstract:
A yearly TB case collection system, in the form of a register, was implemented by the former International Immigration Agency (OMI) and continued by the National Agency for Foreigners and Immigrants (ANAEM). Year after year, it gives remarkably coherent results. The 2006 inquiry concerned 653 cases with a strongly male sex ratio. This male trend is sharply more marked than in the control samples in "given week" studies. The 653 cases were distributed in 440 sequel cases (62.9%) and 143 evolutive cases (21.9%), (unknown: 15.3%). The populations investigated during the "given week" and for the register differ strikingly: in their age distribution: the populations investigated for the register were much younger, especially those with contagious forms; by their geographical origin: sub-Saharan Africans and Asians were strongly overrepresented even more for contagious tuberculosis; in their mode of entrance to France as legal immigrants: family patterns prevail, students are very under represented. In 88.6% of the cases, the screening was based on radiology alone and in 8.2% of the cases radiology was correlated to the clinical examination. In 19% of the cases, the diagnosis of evolutive and contagious TB was proved after isolating BK. In 13%, the diagnosis was suggested by a treatment with two major ATB. The ratio sequel TB/contagious and evolutive TB has not changed much since 2001.
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