G. L. Ignatova
South Ural State Medical University, Healthcare Ministry of Russia
Russian Federation

Doctor of Medicine, Professor, Head of Department of Therapy, Institute of Postgraduate Physician Training;

Chief Pulmonologist of Ural Federal District,

ul. Vorovskogo 64, Chelyabinsk, 454092

Yu. V. Zhorina
South Ural State Medical University, Healthcare Ministry of Russia
Russian Federation

PhD Student, Department of Therapy, Institute of Postgraduate Physician Training,

ul. Vorovskogo 64, Chelyabinsk, 454092

O. S. Abramovskikh
South Ural State Medical University, Healthcare Ministry of Russia
Russian Federation

Doctor of Medicine, Professor, Department of Microbiology, Virusology, Immunology and Clinical Laboratory Diagnostics, 

ul. Vorovskogo 64, Chelyabinsk, 454092

I. A. Zherebtsova
Chelyabinsk City Teaching Hospital No.6
Russian Federation

allergist and immunologist,

ul. Rumyantseva 28 A, Chelyabinsk, 454017