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Emerg Infect Dis. 2004 Jul;10(7):1250-7.

Fluoroquinolone and other antimicrobial resistance in invasive pneumococci, Hong Kong, 1995-2001.

Author information

1
Department of Microbiology, Queen Mary Hospital, The University of Hong Kong, Hong Kong Special Administrative Region, China. plho@hkucc.hku.hk

Abstract

We determined the susceptibilities of 265 invasive isolates of pneumococci obtained during 1995 to 2001 in Hong Kong to 11 antimicrobial agents and their serotypes. Overall, 62.6% isolates were susceptible to penicillin, 20% were intermediately resistant, and 17.4% were resistant. The overall prevalence of levofloxacin resistance (MIC > or = 8 microg/mL) was 3.8% but increased to 15.2% among the penicillin-resistant isolates. All levofloxacin-resistant isolates were clonally related; had reduced susceptibility to penicillin, cefotaxime, and clarithromycin; and were derived from adults > or = 50 years of age. Of the penicillin-nonsusceptible pneumococci, 90% from children < or = 5 years of age and 54.8% from persons of all ages were of serotypes that are included in the 7-valent pneumococcal conjugate vaccine; 93.5% from children < or = 5 years of age and 93% from persons of all ages were of serotypes that are included in the 23-valent polysaccharide vaccine.

PMID:
15324545
PMCID:
PMC3323315
DOI:
10.3201/eid1007.030612
[Indexed for MEDLINE]
Free PMC Article
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