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Ever since they appeared in France, in 1979, penicillinase-producing gonococci have been isolated with increasing frequency. From May, 1979 to April, 1983, eighty-three strains were studied at the Neisseria laboratory. While new resistances to antibiotics can be studied in any laboratory specialized in clinical bacteriology, tests devised for epidemiological purposes can only be performed in a specialized laboratory. This is the case with auxotyping by the Catlin technique. The distribution of auxotypes in a given region over a given period is fairly regular and some distributions are found in the same geographical areas. The fact that the distribution of auxotypes of 83 penicillinase-producing strains significantly differed from that of 594 strains isolated during the same period clearly shows that these strains are not implanted in France and can be regarded as imported. It is suggested that auxotyping should be used for the epidemiological surveillance of extension or implantation of these strains.
J Y Riou, and
P M Martin, and
M Guibourdenche
July 1985,
The Journal of antimicrobial chemotherapy,
J Y Riou, and
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M Guibourdenche
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J Y Riou, and
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al-Maghrib al-tibbi. Maroc medical,
J Y Riou, and
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J Y Riou, and
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J Y Riou, and
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J Y Riou, and
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J Y Riou, and
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M Guibourdenche
August 1985,
Cutis,
