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Volume 20, Number 5—May 2014

Research

Persistence and Complex Evolution of Fluoroquinolone-Resistant Streptococcus pneumoniae Clone

Debby Ben-DavidComments to Author , Mitchell J. Schwaber, Amos Adler, Samira Masarwa, Rotem Edgar, Shiri Navon-Venezia, David Schwartz, Nurith Porat, Tali Kotlovsky, Nikolay Polivkin, Irina Weinberg, Avraham Lazary, Nissim Ohana, and Ron Dagan
Author affiliations: National Center for Infection Control, Tel Aviv, Israel (D. Ben-David, M.J. Schwaber, A. Adler, S. Masarwa, R. Edgar, S. Navon-Venezia); Sourasky Medical Center, Tel Aviv (D. Schwartz, N. Porat, T. Kotlovsky, R. Dagan); Ben-Gurion University of the Negev, Beer-Sheva (N. Porat, R. Dagan); Reuth Medical Center, Tel Aviv (N. Polivkin, I. Weinberg, A. Lazary, N. Ohana)

Main Article

Table 3

Results of 3 point-prevalence surveys about Streptococcus pneumoniae conducted among residents in a post–acute care facility, Israel, 2006–2011*

Survey and age group, y No. patients screened FQRSP
FQISP
FQ-susceptible S. pneumoniae
No. (%) Serotype 
(no. isolates) No. (%) Serotype 
(no. isolates) No. (%) Serotype 
(no. isolates)
First
<18 15 0 2 (13) 15A (1), 19F (1) 2 (13) 19F (2)
>18
69
10 (15)
19F (6), 23F (4)

0
_

6 (8)
15A (1), 15B (2), 23F(1), 6A (2)
Second
<18 24 0 0 _ 1 (4) 15A (1)
>18
130
12 (9)
23F (8), 19F (3); negative (1)

0
_

2 (1)
17F (1), 6A (1)
Third
<18 25 0 2 (8) 17F (1), 19F (1) 4 (16) 15A (3), 17F (1)
>18 140 19 (13) 23F (12), 19F (7) 0 _ 5 (3.6) 17F (4), negative (1)

*FQRSP, fluoroquinolone-resistant S. pneumoniae; FQISP, fluoroquinolone intermediate S. pneumoniae; FQ, fluoroquinolone; –, no isolates.

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