JAC Advance Access originally published online on September 20, 2002
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Journal of Antimicrobial Chemotherapy (2002) 50, 611-612
© 2002 The British Society for Antimicrobial Chemotherapy
Correspondence |
In vitro activity of extended-spectrum cephalosporins against Streptococcus pneumoniae strains with reduced susceptibility to penicillin isolated from patients in Portugal between 1995 and 2000

Antibiotic Resistance Unit, National Institute of Health Dr Ricardo Jorge, Av. Padre Cruz, 1649-016 Lisboa, Portugal
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Sir,
The prevalence of serious infections (meningitis, pneumonia, respiratory tract infections) caused by strains of pneumococci with reduced susceptibility to penicillin is increasing throughout the world.1 Thus, the third-generation cephalosporins cefotaxime and ceftriaxone have become important drugs in the treatment of pneumococcal infections, particularly in cases of meningitis. However, pneumococcal strains exhibiting high levels of resistance to these ß-lactams have been described,24 often associated with therapeutic failure. Furthermore, strains with diminished susceptibility
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