Gross abscess appearance in mice injected with neutrophils containing phagocytosed serotype K1 <i>K. pneumoniae</i>.

<p>A: Neck. B: Surgical removal of the abscess site. C: Abdomen. D: Abscess formation in liver and subcutaneous areas. E: (1) Morphological features of injected serotype K1 <i>K. pneumoniae</i> and (2) culture of pus discharge from the abscess site. F: Detection of the serotype K1 specific <i>magA</i> gene and intrinsic <i>bla</i>_SHV gene from (1) the parental strain and (2) bacteria isolated from the abscess site. G: PFGE molecular typing of (1) the parental strain and (2) bacteria isolated from the abscess site. Sites of abscess formation are indicated by red arrows.