[Long-COVID, severe course, with congenital bronchiectasis, Williams-Campbell syndrome. Case report].

We present a clinical observation of an 18-year-old female patient with congenital bronchiectasis combined with congenital cystic degeneration of the upper lobes of both lungs, Williams-Campbell syndrome, long-COVID, severe course. The patient was treated in infectious disease department (three times), with subsequent transfer to pulmonology department of Kursk Regional Multi-Purpose Clinical Hospital from 31.01.

[Effect of Mycoplasma arthritidis and Rauscher leukosis virus on murine peritoneal macrophages in vitro and in vivo].

The interaction of M. arthritidis and Rauscher leukemia virus (RLV) with mouse peritoneal macrophages was studied. When added in vitro, M.