The textbook "Acute pneumonia: a new look at the old problem" by Igor Klepikov offers a comprehensive analysis of acute pneumonia, based on the latest medical findings and the author's own research. It highlights the changing views on the nature of this disease and the resulting changes in the medical care of those affected. Through clinical trials of new treatment methods for the most aggressive forms of pneumonia, the effectiveness of these approaches is substantiated. The book aims not only to question existing concepts but also to present innovative strategies for preventing complications that may arise from the disease. It is a valuable work for professionals in the fields of medicine and nursing who are involved in the treatment and prevention of pneumonia.