bacteria, using Gram-stain technique, 1979. Streptococcus pneumoniae is one of the most common organisms causing respiratory infections such as pneumonia and sinusitis, as well as bacteremia, otitis media, meningitis, peritonitis and arthritis. Streptococci. Image courtesy CDC. .
To investigate further and delve into whether or not people with fewer butyrate-producing bacteria in their gut are at a higher risk of being hospitalized due to an infection, researchers based in the Netherlands and Finland observed 10,000 people for six years.