Increased isolation of Vibrio cholerae O1 serotype Inaba over serotype Ogawa in Pakistan
AbstractAlthough the predominant Vibrio cholerae serotype in Pakistan is Ogawa and serotype Inaba is rare, there has been a significant increase in the isolation of Inaba in our referral laboratory in Karachi. This paper reports this observation and further analysis of previous cholera data from 1993 to 2005 to assess the trend of occurrence and resistance pattern of V. cholerae strains. From January to September 2005, 245/3292 [7.4%] specimens yielded growth of V. cholerae. Of these, 243 were serotype Inaba, outnumbering serotype Ogawa. This recent Inaba strain is 100% resistant to cotrimoxazole, 3% resistant to chloramphenicol and not resistant to ampicillin, tetracycline and ofloxacin. This sensitivity pattern is almost similar to that of the previous predominant serotype Ogawa
Jabeen, K., Zafar, A. & Hasan, R. (2008). Increased isolation of Vibrio cholerae O1 serotype Inaba over serotype Ogawa in Pakistan. http://www.who.int/iris/handle/10665/117467
EMHJ - Eastern Mediterranean Health Journal, 14 (3), 564-570, 2008
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