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Simultaneous Infection with Three Different S. enteritidis Strains in a Nursing Home Resident

G. Scuderi, E. Filetici, M. Fantasia, S. Salmaso, G. Ferrari, A. Alessandrini and N. Binkin
European Journal of Epidemiology
Vol. 9, No. 4 (Jul., 1993), pp. 447-449
Published by: Springer
Stable URL: http://www.jstor.org/stable/3520506
Page Count: 3
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Simultaneous Infection with Three Different S. enteritidis Strains in a Nursing Home Resident
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Abstract

A culture taken from a nursing home resident as part of a S. enteritidis outbreak was found to have a mixed infection due to three different strains of S. enteritidis. One of the three strains belonged to phage type (PT) 4, one to PT6 and one reacted with phages but did not conform to any typing scheme (RDNC). All three strains had the 38.9 megadaltons (MDa) plasmid found in the isolates from the outbreak-related cases, in addition the PT6 and RDNC strains harboured a 69.9 MDa plasmid. The importance of phage typing and plasmid analysis for S. enteritidis strain characterization and their epidemiologic and bacterial significance are discussed.

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