species of bacterium
SPECIES
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Streptococcus pneumoniae, or pneumococcus, is a Gram-positive, spherical bacteria, alpha-hemolytic member of the genus Streptococcus. S. pneumoniae cells are usually found in pairs (diplococci) and do not form spores and are non motile. As a significant human pathogenic bacterium S. pneumoniae was recognized as a major cause of pneumonia in the late 19th century, and is the subject of many humoral immunity studies.
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. It spreads by direct person-to-person contact via respiratory droplets and by auto-inoculation in persons carrying the bacteria in their upper respiratory tracts. It can be a cause of neonatal infections.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).