Background To date, few data on paediatric COVID-19 have been published, and most reports
originate from China. This study aimed to capture key data on children and adolescents …

Post COVID-19 Syndrome (PCS) is a complex of various symptoms developing a month or
more after the acute phase of the disease. The cases of PCS development among patients …

Despite the large number of performed studies, the etiology and pathogenesis of sarcoidosis
still remain unknown. Most researchers allude to the possible autoimmune or immune-…

According to an analysis of published data, only 20% of patients with the new coronavirus
infection develop severe life-threatening complications. Currently, there are no known …

In the last 30 years, improvement of diagnostic methods enabled routine evaluation of small
A-delta and C nerve fibers impairment, which results with the clinical condition known as a …

In the beginning of COVID-19, the proportion of confirmed cases in the pediatric population
was relatively small and there was an opinion that children often had a mild or asymptomatic …

Background: The WHO strategy for eradication of tuberculosis (TB) by 2035 (The End TB
Strategy) is aimed at an early and precise diagnosis and subsequent effective treatment of TB …

Tuberculosis is still an important medical and social problem. In recent years, great strides
have been made in the fight against M. tuberculosis, especially in the Russian Federation. …

A new coronavirus disease (COVID-19) has already affected millions of people in 213
countries. The possibilities of treatment have been reviewed in recent publications but there are …

Currently, sarcoidosis remains one of the diseases with unknown etiology, which significantly
complicates its diagnosis and treatment. Various causes of sarcoidosis have been studied …