Classical Vibrio cholerae biotype displaces EL tor in Bangladesh

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dc.contributor.authorSamadi, A.R.-
dc.contributor.authorHuq, M.I.-
dc.contributor.authorShahid, N.-
dc.contributor.authorKhan, M.U.-
dc.contributor.authorEusof, A.-
dc.contributor.authorRahman, A.S.M.M.-
dc.contributor.authorYunus, M.-
dc.contributor.authorFaruque, A.S.G.-
dc.identifier.citationLancet 1983 Apr 9;1(8328):805-7en
dc.description.abstractThe EL Tor biotype of Vibrio cholerae caused all endemic and epidemic cholera in Bangladesh from 1973 until Sept. 3, 1982, when the first classical strain was isolated from a patient in Matlab. Since then the number of isolations of the classical biotype has increased very rapidly and spread to other districts, replacing the EL Tor biotype as the main epidemic strain. The classical strains isolated in the 1982 outbreak were indistinguishable by the standard tests from those isolated a decade ago and the very few isolates in 1979, 1980, and 1981. This suggests that beyond the taxonomic traits used to identify the classical and EL Tor strains, there may be other more crucial biological characteristics that have given this new strain an advantage over the existing strains. The mechanism by which a new biotype of V. cholerae 01 achieves such a crucial biological advantage to displace the existing strains may be a key point in control of the global spread of cholera.en
dc.format.extent221017 bytes-
dc.subjectVibrio choleraeen
dc.subjectDisease outbreaksen
dc.subjectCholera-isolation & purificationen
dc.titleClassical Vibrio cholerae biotype displaces EL tor in Bangladeshen
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