Pneumonia was described 2,500 years ago by Hippocrates, the father of medicine [1]. However, acute pneumonia (AP) remain an unresolved problem of modern medicine. A lot of money and effort is expended on solving problem of AP. In this connection, it is recalled that World Health Organization has spent 39 billions of dollars in 2010-2015 years to solve this problem [2]. And where are the results?The evaluation of the current situation in this section of clinical medicine looks hopeless, and her improvement is very uncertain.Pneumonia is a leading cause of hospitalization among children in the United States, with medical costs estimated at almost $1 billion in 2009. Despite this large burden of disease, critical gaps remain in our knowledge about pneumonia in children [3].Pediatric pleural empyema has increased substantially over the past 20 years and reasons for this rise remain not fully explained [4].