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Streptococcus pneumoniae is the most common bacterial cause of pneumonia in all age groups except newborn infants. Streptococcus pneumoniae is a Gram-positive bacterium that often lives in the throat of people who do not have pneumonia. Other important Gram-positive causes of pneumonia are Staphylococcus aureus and Bacillus anthracis.
[13] [15] Pneumonia is also the leading cause of death in children less than five years of age in low income countries. [15] The most common cause of pneumonia is pneumococcal bacteria, Streptococcus pneumoniae accounts for 2/3 of bacteremic pneumonias. [16] Invasive pneumococcal pneumonia has a mortality rate of around 20%. [14]
Osteomyelitis, or bone infection, is a rare occurrence but has been seen in patients who were diagnosed to have a S. pneumoniae infection that went untreated for too long. [31] Sepsis is caused by overwhelming response to an infection and leads to tissue damage, organ failure, and even death. The symptoms include confusion, shortness of breath ...
Walking pneumonia, a lung infection caused by the bacterium Mycoplasma pneumoniae, tends to be most common among older children and adolescents but in 2024 has been rampant among young children.
Over the past six months, emergency rooms have discharged an increasing number of patients with a Mycoplasma pneumoniae diagnosis, which is typically associated with "walking pneumonia," or acute ...
The most common condition caused by Klebsiella bacteria outside the hospital is pneumonia, typically in the form of bronchopneumonia and also bronchitis. These patients have an increased tendency to develop lung abscesses, cavitation, empyema, and pleural adhesions. It has a death rate around 50%, even with antimicrobial therapy. [8]
The two most common LRIs are bronchitis and pneumonia. [8] Influenza affects both the upper and lower respiratory tracts, but more dangerous strains such as the highly pernicious H5N1 tend to bind to receptors deep in the lungs. [9] Respiratory system anatomy
Pneumococcal pneumonia is a type of bacterial pneumonia that is caused by Streptococcus pneumoniae (pneumococcus). [1] 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 ...