Analysis of respiratory tuberculosis recurrence in the Republic of Tatarstan

The annual growth of TB incidence in the Republic of Tatarstan is 5.5%, the same is the annual increase in the contingents; the mortality rate grows faster - 14-16% per year. Worsening of living conditions, increase of migration activity of population, reduction of TB measures intensity have a negative impact. In conditions of deteriorating nutrition, high infectiousness of population and increased risk of tuberculosis, the incidence rate may increase due to endogenous reactivation from old tuberculosis foci. The current situation is also characterized by the mechanism of superinfection through contact with a bacillus in the nidus.