Increase in Pilus Islet 2–encoded Pili among Streptococcus pneumoniae Isolates, Atlanta, Georgia, USA
Dorothea Zähner , Aditya Gudlavalleti, and David S. Stephens
Author affiliations: Emory University School of Medicine, Atlanta, Georgia, USA (D. Zähner, A. Gudlavalleti, D.S. Stephens); Department of Veterans Affairs Medical Center, Atlanta (D. Zähner, D.S. Stephens)
Figure 1. Frequency of pilus islet 2 (PI-2)–containing Streptococcus pneumoniae invasive isolates in metropolitan Atlanta, Georgia, USA, 2006. Black, PI-2–containing isolates; white, PI-2–lacking isolates. *Serotypes included in the 7-valent pneumococcal conjugate vaccine.
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