[Acute appendicitis due to both Klebsiella pneumoniae and serotype 35B Streptococcus pneumoniae, an emergent serotype].

Streptococcus pneumoniae has been rarely considered as an infectious agent in appendicitis. We report a case of a 47-year-old woman with acute appendicitis caused both by serotype 35B S. pneumoniae and Klebsiella pneumoniae.