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Clin Infect Dis. 1995 May;20(5):1275-80.

Antimicrobial resistance of Streptococcus pneumoniae in Finland, 1987-1990.

Author information

1
Antimicrobial Research Laboratory, National Public Health Institute, Turku, Oulu.

Abstract

A nationwide survey of the prevalence of antimicrobial resistance among Streptococcus pneumoniae isolates from the middle ear fluid of children with acute otitis media (639 strains) and from throat-swab samples of healthy children (149 strains) was conducted in Finland during 1987-1990. The MICs of penicillin, cephalothin, cefaclor, erythromycin, trimethoprim, and co-trimoxazole were determined by the agar dilution method. Low-level resistance to penicillin (MIC, 0.1-1 microgram/mL) was found in 1.7% of the otitis-related and 1.3% of the healthy-carrier strains. No highly penicillin-resistant strains (MIC, > or = 2 micrograms/mL) were found. Six multiresistant strains were detected, three of them possibly belonging to a previously identified clone present in Finland since 1985. Eighty-five percent of the resistant otitis-related strains, including 9 of the 11 moderately penicillin-resistant strains (4 of which were multiresistant), belonged to the three most common serogroups (6, 19, and 23).

PMID:
7620010
DOI:
10.1093/clinids/20.5.1275
[Indexed for MEDLINE]

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