Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector8146010.17816/kazmj81460Research ArticleOn the issue of relapses of the primary complex of scarlet feverReidermanI.info@eco-vector.com15091932328-97597603009202130092021Copyright © 2021, Eco-Vector2021<p>The three case histories published in this report are of fundamental interest.</p>Kazan Medical archiveКазанский медицинский архив