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Volume 16, Number 6—June 2010

Research

Increase in Pilus Islet 2–encoded Pili among Streptococcus pneumoniae Isolates, Atlanta, Georgia, USA

Dorothea ZähnerComments to Author , 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)

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Table 2

Clonal distribution of PI-2-containing Streptococcus pneumoniae isolates, Atlanta, Georgia, USA, 1994–2006*

Serotype CC ST No. PI-2-containing isolates
1999 2006
1 304 304 1 1

306
227 (DLV)
3

7F 191 191 3 28

218
1176 (DLV)

3
11A
53
62
2
3
19A 2090 1339 (SLV) 1 9
2268 (DLV) 3

271
320 (SLV)

27
19F 271 271 1
236 (SLV) 3 1
3039 (SLV) 1
651 (DLV) 3 2
251 251 1 1
654 (SLV) 4 1
1258 (DLV) 2

*CC, clonal complex; ST, sequence type; PI, pilus islet; DLV, double-locus variant; SLV, single-locus variant.

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