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The Journal of Health, Population and Nutrition
ISSN: 1606-0997
EISSN: 1606-0997
Vol. 28, No. 4, 2010, pp. 311-317
Bioline Code: hn10041
Full paper language: English
Document type: Research Article
Document available free of charge

The Journal of Health, Population and Nutrition, Vol. 28, No. 4, 2010, pp. 311-317

 en Is Vibrio fluvialis check for this species in other resources emerging as a pathogen with epidemic potential in coastal region of Eastern India following cyclone Aila?
Bhattacharjee, Subhajit; Bhattacharjee, Sayantani; Bal, Baishali; Pal, Reshmi; Niyogi, Swapan Kumar & Sarkar, Kamalesh


An isolated area with diarrhoea epidemic was explored at Pakhirala village of the Sundarbans, a coastal region of South 24 Parganas district of West Bengal, eastern India. The Pakhirala village was surrounded by other villages affected by a similar epidemic. The affected villages experienced this epidemic following the cyclone Aila, which had hit the coastal region of the Sundarbans in eastern India. In Pakhirala, the situa-tion was the worst. Within a span of six weeks (5 June-20 July 2009), 3,529 (91.2%) of 3,871 residents were affected by watery diarrhoea. Of all the cases (n=3,529), 918 (26%) were affected by moderate to severe diarrhoea. In other villages, 28,550 (70%) of the 40,786 people were affected; of them, 3,997 (14%) had moderate to severe watery diarrhoea. The attack rate and the severity of the cases were significantly higher in Pakhirala village compared to other affected villages. The laboratory results revealed that Vibrio fluvialis check for this species in other resources was the predominant pathogen in Pakhirala village (5 of 6 laboratory-confirmed organisms) whereas Vibrio cholerae check for this species in other resources O1 Ogawa was the predominant pathogen in other villages of Gosaba block (7 of 9 bacteriologi-cally-confirmed organisms). This result indicates that V. fluvialis behaves more aggressively than V. cholerae O1 in an epidemic situation with a higher attack rate and a different clinical picture. An in-depth study is required to explore its pathogenicity in detail, geographical distribution, and possible control measures, including development of specific vaccine preparation and determination of its efficacy.

Diarrhoea; Cyclone; Disasters, Natural; Vibrio cholerae; Vibrio fluvialis; India

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