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An outbreak of cholera associated with an unprotected well in Parbatia, Orissa, Eastern India.

Das A, Manickam P, Hutin Y, Pal BB, Chhotray GP, Kar SK, Gupte MD - J Health Popul Nutr (2009)

Bottom Line: Vibrio cholerae El Tor O1, serotype Ogawa was isolated from four of six rectal swabs.The water from the public well was associated with the outbreak (matched odds ratio: 12; 95% confidence interval 1.2-44.1).On the basis of these conclusions, access to the well was barred immediately, and it was protected.

View Article: PubMed Central - PubMed

Affiliation: National Institute of Epidemiology (ICMR), Chennai, Tamil Nadu, India.

ABSTRACT
In November 2003, an outbreak (41 cases; attack rate-4.3%; no deaths) of severe diarrhoea was reported from a village in Orissa, eastern India. Thirteen of these cases were hospitalized. A matched case-control study was conducted to identify the possible exposure variables. Since all wells were heavily chlorinated immediately after the outbreak, water samples were not tested. The cases were managed symptomatically. Descriptive epidemiology suggested clustering of cases around one public well. Vibrio cholerae El Tor O1, serotype Ogawa was isolated from four of six rectal swabs. The water from the public well was associated with the outbreak (matched odds ratio: 12; 95% confidence interval 1.2-44.1). On the basis of these conclusions, access to the well was barred immediately, and it was protected. This investigation highlighted the broader use of field epidemiology methods to implement public-health actions guided by epidemiologic data to control a cholera epidemic.

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The well where the index case-patient came to wash clothes, Parbatia, Orissa, India, 2003
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Figure 3: The well where the index case-patient came to wash clothes, Parbatia, Orissa, India, 2003

Mentions: The well where the index case-patient washed his clothes were unprotected. It had no brim and no platform (Fig. 3).


An outbreak of cholera associated with an unprotected well in Parbatia, Orissa, Eastern India.

Das A, Manickam P, Hutin Y, Pal BB, Chhotray GP, Kar SK, Gupte MD - J Health Popul Nutr (2009)

The well where the index case-patient came to wash clothes, Parbatia, Orissa, India, 2003
© Copyright Policy
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC2928086&req=5

Figure 3: The well where the index case-patient came to wash clothes, Parbatia, Orissa, India, 2003
Mentions: The well where the index case-patient washed his clothes were unprotected. It had no brim and no platform (Fig. 3).

Bottom Line: Vibrio cholerae El Tor O1, serotype Ogawa was isolated from four of six rectal swabs.The water from the public well was associated with the outbreak (matched odds ratio: 12; 95% confidence interval 1.2-44.1).On the basis of these conclusions, access to the well was barred immediately, and it was protected.

View Article: PubMed Central - PubMed

Affiliation: National Institute of Epidemiology (ICMR), Chennai, Tamil Nadu, India.

ABSTRACT
In November 2003, an outbreak (41 cases; attack rate-4.3%; no deaths) of severe diarrhoea was reported from a village in Orissa, eastern India. Thirteen of these cases were hospitalized. A matched case-control study was conducted to identify the possible exposure variables. Since all wells were heavily chlorinated immediately after the outbreak, water samples were not tested. The cases were managed symptomatically. Descriptive epidemiology suggested clustering of cases around one public well. Vibrio cholerae El Tor O1, serotype Ogawa was isolated from four of six rectal swabs. The water from the public well was associated with the outbreak (matched odds ratio: 12; 95% confidence interval 1.2-44.1). On the basis of these conclusions, access to the well was barred immediately, and it was protected. This investigation highlighted the broader use of field epidemiology methods to implement public-health actions guided by epidemiologic data to control a cholera epidemic.

Show MeSH
Related in: MedlinePlus