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Streptococcus pneumoniae resides asymptomatically in healthy carriers typically colonizing the respiratory tract, sinuses, and nasal cavity. However, in susceptible individuals with weaker immune systems , such as the elderly and young children, the bacterium may become pathogenic and spread to other locations to cause disease.
Streptococcus pneumoniae and a group of oral streptococci (Streptococcus viridans or viridans streptococci) display alpha-hemolysis. Alpha-hemolysis is also termed incomplete hemolysis or partial hemolysis because the cell membranes of the red blood cells are left intact.
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 ...
Pneumococcal infection is an infection caused by the bacterium Streptococcus pneumoniae. [1]S. pneumoniae is a common member of the bacterial flora colonizing the nose and throat of 5–10% of healthy adults and 20–40% of healthy children. [2]
Chlamydophila pneumoniae (previously called Chlamydia pneumoniae) Chlamydophila psittaci ... Streptococcus pneumoniae; Streptococcus pyogenes; Streptococcus rattus;
Vaccinations against Haemophilus influenzae and Streptococcus pneumoniae have good evidence to support their use. [55] There is strong evidence for vaccinating children under the age of 2 against Streptococcus pneumoniae (pneumococcal conjugate vaccine).
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.
Pneumococcal vaccines are vaccines against the bacterium Streptococcus pneumoniae. [1] Their use can prevent some cases of pneumonia, meningitis, and sepsis. [1] There are two types of pneumococcal vaccines: conjugate vaccines and polysaccharide vaccines. [1] They are given by injection either into a muscle or just under the skin. [1]