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  • Pneumonia - Symptoms and causes - Mayo Clinic
    Pneumonia is an infection that inflames the air sacs in one or both lungs The air sacs may fill with fluid or pus (purulent material), causing cough with phlegm or pus, fever, chills, and difficulty breathing A variety of organisms, including bacteria, viruses and fungi, can cause pneumonia
  • Pneumonia: Causes, Symptoms, Diagnosis Treatment - Cleveland Clinic
    Pneumonia is inflammation and fluid in your lungs caused by a bacterial, viral or fungal infection It makes it difficult to breathe and can cause a fever and cough with yellow, green or bloody mucus The flu, COVID-19 and pneumococcal disease are common causes of pneumonia Treatment depends on the cause and severity of pneumonia
  • Pneumonia - What Is Pneumonia? - NHLBI, NIH
    Pneumonia is a lung infection that causes your air sacs to fill up with fluid or pus Learn about the causes, risk factors, signs and symptoms, and treatment for pneumonia
  • Pneumonia: Symptoms, Causes, and Treatment - WebMD
    Pneumonia is the infection and inflammation of air sacs in your lungs These air sacs, called alveoli, can fill with fluid or pus, causing a serious cough and fever
  • Pneumonia - Johns Hopkins Medicine
    Pneumonia is an infection of one or both of the lungs caused by bacteria, viruses, fungi, or chemical irritants It is a serious infection or inflammation in which the air sacs fill with pus and other liquid
  • Pneumonia - World Health Organization (WHO)
    Pneumonia is a form of acute respiratory infection that is most commonly caused by viruses or bacteria It can cause mild to life-threatening illness in people of all ages, however it is the single largest infectious cause of death in children worldwide
  • Pneumonia | Pneumonia | CDC - Centers for Disease Control and Prevention
    Pneumonia is a lung infection that can be caused by many germs Treatment and prevention options and who's at risk vary by cause Homepage for CDC's information on pneumonia, an infection of the lungs
  • Pneumonia | Pneumonia Symptoms | Signs of Pneumonia - MedlinePlus
    What is pneumonia? Pneumonia is an infection in one or both of your lungs It causes the air sacs of your lungs to fill up with fluid or pus Pneumonia can range from mild to severe, depending on what caused it, your age, and your overall health What causes pneumonia? Bacterial, viral, and fungal infections can cause pneumonia
  • Pneumonia - Wikipedia
    Pneumonia is an inflammatory condition of the lung primarily affecting the small air sacs known as alveoli [3][14] Symptoms typically include some combination of productive or dry cough, chest pain, fever, and difficulty breathing [15] The severity of the condition is variable [15]
  • Pneumonia | definition of pneumonia by Medical dictionary
    Pneumonia is an infection of the lung that can be caused by nearly any class of organism known to cause human infections These include bacteria, amoebae, viruses, fungi, and parasites In the United States, pneumonia is the sixth most common disease leading to death; 2 million Americans develop pneumonia each year, and 40,000-70,000 die from





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