[The effectiveness of vaccination against pneumococcal infection in patients with severe bronchial asthma].

Introduction: The article discusses topical issues of the use of conjugated 13-valent pneumococcal vaccine Prevenar®13 (PCV13) in patients with severe bronchial asthma (SBA), including those receiving targeted therapy with genetically engineered biological drugs (GEBD).

Aim: To study the effectiveness of vaccination against pneumococcal infection (PI) in patients with SBA.

Materials And Methods: The study included 381 patients with SBA.

Quantized current steps due to the synchronization of microwaves with Bloch oscillations in small Josephson junctions.

Synchronization of Bloch oscillations in small Josephson junctions (JJs) under microwave radiation, which leads to current quantization, has been proposed as an effect that is dual to the appearance of Shapiro steps. This current quantization was recently demonstrated in superconducting nanowires in a compact high-impedance environment. Direct observation of current quantization in JJs would confirm the synchronization of Bloch oscillations with microwaves and help with the realisation of the metrological current standard.

Double exchange interaction in Mn-based topological kagome ferrimagnet.

Recently discovered Mn-based kagome materials, such as RMnSn (R = rare-earth element), exhibit the coexistence of topological electronic states and long-range magnetic order, offering a platform for studying quantum phenomena. However, understanding the electronic and magnetic properties of these materials remains incomplete. Here, we investigate the electronic structure and magnetic properties of GdMnSn using x-ray magnetic circular dichroism, photoemission spectroscopy, and theoretical calculations.

Nonuniform Current-Driven Formation and Displacement of the Magnetic Compensation Point in Variable-Width Nanoscale Ferrimagnets.

Nano- and microstructures based on ferrimagnets can demonstrate high efficiency and dynamics of current-induced magnetization switching combined with high stability of spin textures such as bubble domains and skyrmions, which are of practical importance for the development of spintronics and spin-orbitronics. This set of features is usually associated with magnetic momentum or angular momentum compensation states. Here, we experimentally show that the compensation state can be realized locally using nonuniform Joule heating.

[Impact of vaccination with pneumococcal vaccines on recurrent pneumonia in patients with chronic obstructive pulmonary disease].

Background: Community-acquired pneumonia (САР) and chronic obstructive pulmonary disease (COPD) are among the main causes of mortality worldwide, and, in addition, they also lead to great economic losses for the health system of all countries. Currently, there is an increase in cases of recurrent pneumonia, both in the general population and, in particular, in patients with COPD. One of the most important risk factors for the development of pneumonia is the previous episode of САР.