1973
DOI: 10.1128/aac.4.6.597
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Salmonella typhi resistant to Chloramphenicol, Ampicillin, and Other Antimicrobial Agents: Strains Isolated During an Extensive Typhoid Fever Epidemic in Mexico

Abstract: During 1972 a large epidemic, in excess of 10,000 cases, of typhoid fever occurred in Mexico City, Pachuca, and other communities of Mexico. The main characteristic of the epidemic, in addition to the large number of persons affected, was the prevalence of a strain of Salmonella typhi which was highly resistant to chloramphenicol both in vivo and in vitro, and which belonged to a single phage type, Vi degraded approaching type A. Of 493 strains of S. typhi studie… Show more

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Cited by 179 publications
(84 citation statements)
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“…Strains resistant to chloramphenicol have been isolated sporadically from different parts of the world since 1950 (Goldstein et al 1986). The first major outbreaks of typhoid fever caused by multidrug resistant (MDR) strains occurred in 1972 in Mexico City (Olarte & Galindo 1973) and in South India (Paniker & Vimla 1972). In both outbreaks drug resistance was shown to be plasmid-mediated.…”
Section: Introductionmentioning
confidence: 99%
“…Strains resistant to chloramphenicol have been isolated sporadically from different parts of the world since 1950 (Goldstein et al 1986). The first major outbreaks of typhoid fever caused by multidrug resistant (MDR) strains occurred in 1972 in Mexico City (Olarte & Galindo 1973) and in South India (Paniker & Vimla 1972). In both outbreaks drug resistance was shown to be plasmid-mediated.…”
Section: Introductionmentioning
confidence: 99%
“…La résistance à ces trois antibiotiques était portée par un plasmide de type I ncF (typage par la méthode d'incompatibilité), probablement acquis à partir de bactéries commensales du tube digestif, comme Escherichia coli. Les premières épidémies de fièvre typhoïde causées par des souches multirésistantes (au chloramphénicol, à la streptomycine, aux sulfamides et aux tétracyclines ou type « CSSuTe ») eurent lieu au Mexique et en Inde au cours de l'année 1972 [4,6,7]. L'épidémie mexicaine était de grande importance avec plus de 10 000 cas documentés.…”
Section: Historique De La Résistance Aux Antibiotiquesunclassified
“…For reasons that are unclear, the African nations have otherwise generally been spared from subsequent spread of resistant strains, apart from the appearance of a few chloramphenicol-resistant strains in Natal [215]. Elsewhere, chloramphenicol resistance became widespread, with particularly large and well described outbreaks in Mexico in 1972 [216] and in Peru a few years later [217].…”
Section: History and Geography -S Typhimentioning
confidence: 99%