The OLLA-MED investigators Professors M.A. Plekhanova and M.V. Vershinina, acted as organizers of the symposium on latent tuberculosis problems within the XXXIII National Congress on Respiratory Diseases. The symposium was also attended by A.P. Tkachuk, Head of the Translational Biomedicine Laboratory of the N.F. Gamalei Research Institute, creator of the GamTBvac vaccine, the study of which continues in our center.