For citations:

Iozefovich O.V., Kharit S.M., Bobova E.I., Budnikova E.A. Pertussis in a child of the first month of life from family contact. Journal Infectology. 2021;13(2):149-153. (In Russ.) https://doi.org/10.22625/2072-6732-2021-13-2-149-153