What is Streptococcus pneumoniae?

Streptococcus pneumoniae, commonly called pneumococcus, is a bacterium that commonly resides in the upper respiratory tract of humans. While it typically does not harm its host, it can cause serious diseases, such as pneumonia, meningitis, and sepsis, especially in vulnerable populations such as young children, the elderly, and those with compromised immune systems. The bacterium is spread through contact with respiratory secretions from infected individuals, making vaccines and good hygiene practices crucial in prevention efforts.

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