Translations:Lungenentzündung/1/en

Pneumonia is an acute or chronic inflammation of the lung tissue. It is usually caused by infection with bacteria, viruses or fungi, rarely also toxic by inhalation of toxic substances or immunologically. Inflammation after X-ray radiation is usually referred to as radiation pneumonitis. According to World Health Organization statistics, pneumonia is the world's most frequent fatal infectious disease. https://de.wikipedia.org/wiki/Lungenentzündung