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Pneumonia fills the lung's alveoli with fluid, hindering oxygenation. The alveolus on the left is normal, whereas the one on the right is full of fluid from pneumonia. Pneumonia frequently starts as an upper respiratory tract infection that moves into the lower respiratory tract. [55] It is a type of pneumonitis (lung inflammation). [56]
More than 41,000 people in the U.S. died of pneumonia in 2022, according to the CDC. Pneumonia can be a deadly complication of COVID, the flu, and RSV: What to know about pneumococcal vaccination ...
Pneumonia can be acquired from different sources such as in hospitals, the community, or through use of ventilators. [6] Pneumonia is a type of lower respiratory tract infection, and is also the most deadly communicable disease as of 2016. [4] Rates are greatest in children less than five and adults older than 75 years of age. [3]
It is life-threatening in the elderly or those who are immunocompromised. [13] [14] The most common treatment is antibiotics and these vary in their adverse effects and their effectiveness. [13] [15] Pneumonia is also the leading cause of death in children less than five years of age in low income countries. [15]
About 6,000 to 10,000 people 65 and older die from RSV in the U.S. annually, the CDC says. RSV can be deadly, especially for older adults. What to know about symptoms and the new vaccine
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It is the most common bacterial pneumonia found in adults, the most common type of community-acquired pneumonia, and one of the common types of pneumococcal infection. The estimated number of Americans with pneumococcal pneumonia is 900,000 annually, with almost 400,000 cases hospitalized and fatalities accounting for 5-7% of these cases. [2]
Doctors have long urged people ages 50 and older to get a shot to protect against bacterial pneumonia. ... but can be deadly when they get into the lungs, bloodstream or lining of the brain and ...