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Volume 11, Number 8—August 2005

Research

Cephalosporin-resistant Pneumococci and Sickle Cell Disease

Martha L. Miller*1, Caroline A. Obert*1, Geli Gao*, Najat C. Daw*, Patricia Flynn*, and Elaine Tuomanen*Comments to Author 
Author affiliations: *St. Jude Children's Research Hospital, Memphis, Tennessee, USA

Main Article

Table 1

Distribution of β-lactam resistance in nasopharyngeal pneumococcal isolates from sickle cell disease patients

Penicillin susceptibility* No. isolates Cefotaxime susceptibility* No. isolates
Sensitive 31 Sensitive 31
Intermediate 24 Sensitive 19
Intermediate 3
Resistant 2
Resistant 9 Intermediate 3
Resistant 6

*Definition of susceptibility per Clinical and Laboratory Standards Institute (formerly NCCLS) guidelines from 1994 and 1995 (10,11). Sensitive, penicillin V MIC<0.06 μg/mL, cefotaxime MIC<0.05 μg/mL; intermediate, penicillin V MIC 0.12–1 μg/mL, cefotaxime MIC 1 μg/mL; resistant, penicillin or cefotaxime MIC>2 μg/mL.

Main Article

1These authors contributed equally to this study.

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