kopsukoe põletik, tekitajaks on lastel rohkem viirused, täiskasvanuil bakterid, inflammation and consolidation of the lung tissue as a result of infection, inhalation of foreign particles, or irradiation, an acute disease that is marked by inflammation of lung tissue accompanied by infiltration of alveoli and often bronchioles with white blood cells (such as neutrophils) and fibrinous exudate, is characterized by fever, chills, cough, difficulty in breathing, fatigue, chest pain, and reduced lung expansion, and is typically caused by an infectious agent (such as a bacterium, virus, or fungus)