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. 2007 Oct;63(4):322-4.
doi: 10.1016/S0377-1237(07)80005-0. Epub 2011 Jul 21.

Epidemiological Investigation of an Outbreak of Enteric Fever

A Banerjee  1 , A T Kalghatgi  2 , Pmp Singh  3 , A Nagendra  4 , Z Singh  5 , S K Handa  6
Affiliations

Epidemiological Investigation of an Outbreak of Enteric Fever

A Banerjee et al. Med J Armed Forces India. 2007 Oct.

Abstract

Background: Ninety five cases of enteric fever among military recruits from a regimental training centre at Maharastra were admitted to the local military hospital in a few weeks time.

Methods: A descriptive epidemiological study and detailed site survey was undertaken. Blood culture, antibiotic sensitivity test (ABST) with serotyping and phage typing of the isolates were done.

Result: A total of 95 cases occurred from 31 March 2003 to 17 May 2003. Blood culture for Salmonella enterica serovar Typhi was positive in 60 (63.16%) cases. All the isolates showed same serotype - 9, 12: d: Vi and all belonged to phage type E1 biotype 1 indicating single source outbreak. There was one fatality. There was clustering in time and place indicating a common source outbreak. Exploration of water pipeline supply revealed sewage contamination due to pipeline passing close to a overflowing manhole. ABST revealed multi-drug resistance.

Conclusion: The outbreak of enteric fever occurred due to sewage contamination of drinking water pipeline.

Keywords: Enteric fever; Military recruits.

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Figures

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Fig. 1
Epidemic curve
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Fig. 2
Spot map number 2 Bty cook house showing sewage contamination of drinking water
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