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Year : 2001  |  Volume : 19  |  Issue : 2  |  Page : 31
 

Emergence of V.cholerae O 139 in Berhampur, Orissa


Department of Microbiology, MKCG Medical College, Berhampur - 760 004, Orissa, India

Correspondence Address:
Department of Microbiology, MKCG Medical College, Berhampur - 760 004, Orissa, India



How to cite this article:
Samal B, Ghosh S K, Mohanty S K, Pattnaik K L, Sahu S K. Emergence of V.cholerae O 139 in Berhampur, Orissa. Indian J Med Microbiol 2001;19:31


How to cite this URL:
Samal B, Ghosh S K, Mohanty S K, Pattnaik K L, Sahu S K. Emergence of V.cholerae O 139 in Berhampur, Orissa. Indian J Med Microbiol [serial online] 2001 [cited 2019 Aug 22];19:31. Available from: http://www.ijmm.org/text.asp?2001/19/2/31/6934


Dear Editor,
Nineteen hundred and ninety two saw the emergence, in southern India, of a novel serogroup currently classified as  Vibrio cholerae   0139 Bengal.[1]
On the basis of this microorganism's ability to spread rapidly through cholera endemic areas in India and in neighbouring countries and on the propensity of the new serogroup to replace the 01 El Tor biotype, V-cholerae 0139 was described as the new pandemic strain of cholera.[1]
Episodes of 0139 cholera have been reported from places like Lucknow, Yavatmal, Calcutta [2] etc. Previously Berhampur city and its outskirts always yielded 01 El Tor biotype on a sporadic basis. We report the emergence of the 0139 strain for the first time in the town of Berhampur, Orissa.
In May-June 2000, there was an epidemic of gastroenteritis in Berhampur which resulted in admission of a good number of cases to the Infectious disease ward of M.K.C.G. Medical College, Berhampur. The epidemic coincided with scarcity of water supply in the city. Of the cases admitted, 90 rectal swabs were transported in Cary-Blair medium and were processed for isolation of V-cholerae as per standard methods.[3]
Serotyping of the isolated strains was carried out using both 01 and 0139 artisera. Out of 90 processed stool samples two isolates were identified as 01 (El Tor strain) and rest 23 were found to be 0139 strains. The two 01 and four 0139 strains, which were isolated in the beginning of the epidemic, were subjected to phage typing at NICED, Kolkata. Out of two 01 strains one was of phage type 2 (Basu & Mukerjee) and the other was of type 27 (new scheme). The remaining four 0139 strains were of phage type 1 (sensitive to all five 0139 phages).
The fact that all the tested isolates were of a single phage type, suggests that the epidemic had originated and spread from a single index case who had migrated to this place from 0139 prevalent areas. The epidemic was finally controlled by appropriate measures by the public health authorities.

 ~ Acknowledgement Top

We gratefully acknowledge the help rendered by the NICED, Kolkata. 

 ~ References Top

1.Mitra R, Basu A, et al. Resurgence of Vibrio cholerae 0139 Bengal with altered antibiogram in Calcutta, India. Lancet 1996; 348:1181.  Back to cited text no. 1    
2.Lahiri KK, Ayyagari A. Vibrio cholerae 0139 in Lucknow. Indian J Med Micro 1998;16(3):133  Back to cited text no. 2    
3.Vibrio, Aeromonas, Plesiomonas, Shigelloides and Chromobacterium violaceum. In Bailey & Scott's Diagnostic Microbiology, 10th edition, Ed by Forbes BA, Sahm DF, Weissfeld AS; Mosby, London, 1998;491.  Back to cited text no. 3    
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2004 - Indian Journal of Medical Microbiology
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