Pneumonia Causes, Symptoms, Signs and Treatment (Viral, Bacterial) on ... Learn pneumonia symptoms, causes, treatment, signs, diagnosis and types: viral and bacterial (Pneumocystis carinii, Klebsiella, Mycoplasma, Chlamydia pneumoniae). MedlinePlus Medical Encyclopedia: PneumoniaRespiratory viruses are the most common causes of pneumonia in young children, peaking between the ages of 2 and 3. By school age, the bacterium Mycoplasma pneumoniae becomes more ... What Causes Pneumonia?There are about 30 different causes of pneumonia. However, they all fall into one of these categories:Infective pneumonia: Inflammation and infection of the lungs and bronchial ... Atypical pneumonia - Wikipedia, the free encyclopediaCauses a severe form of pneumonia with a relatively high mortality rate, known as legionellosis or Legionnaires' disease. Mycoplasma pneumoniae PneumoniaMycoplasma pneumonia Mycoplasma pneumoniae causes a pneumonia, particularly in older children and young adults, of gradual onset that lasts for a few days ... |