For citations:

Bezdenezhnykh M.D., Delkov S.K., Bezuglaya T.V., Korableva N.N. Invincible pertussis: clinical and epidemiological features of pertussis in children at the present stage (based on materials from the Komi Republic). Journal Infectology. 2025;17(4):58-66. (In Russ.) https://doi.org/10.22625/2072-6732-2025-17-4-58-66