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Hello, I'm S. pneumoniae.
I'm a Gram Positive coccus.
Sometimes I'm known as the 'pneumococcus'.
I'm found in some people's airways.
I have a capsule coating that means I can be grouped into 80 'serotypes'.
I am the most common cause of pneumonia in healthy people, although I also get into smokers and the elderly.
I'm also cause lots of bacterial meningitis.