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Indian J Med Res ; 146(3): 401-408, 2017 09.
Article in English | MEDLINE | ID: mdl-29355149

ABSTRACT

BACKGROUND & OBJECTIVES: Although cholera remains to be an important public health problem, studies on reliable population-based estimates of laboratory confirmed cholera in endemic areas are limited worldwide. The aim of this hospital-based study was to evaluate the prevalence of Vibrio cholerae serogroup in Assam, India, during 2003-2013. METHODS: Stool samples/rectal swabs were collected from acute watery diarrhoea (AWD) cases during 2003-2013 and processed by standard microbiological procedures. Antibiotic sensitivity test was done following the Clinical and Laboratory Standards Institute guidelines. Year-wise epidemiological trend of cholera was analyzed. RESULTS: Cholera contributed to 3.93 per cent of AWD cases. In Assam, cholera was found to be more prevalent in the rural areas (6.7%) followed by the tea gardens (5.06%), urban slum (1.9%) and urban areas (1.4%). Highest proportion of cholera (13.7%) was observed in 0-10 yr age group. Of them, 11.5 per cent belonged to 0-5 yr age group. V. cholerae O1 El Tor serotype Ogawa was the predominant isolate. Multiple drug-resistant isolates of V. cholerae O1 Ogawa were reported in the study. INTERPRETATION & CONCLUSIONS: Emergence of resistance amongst V. cholerae towards many antibiotics is a matter of concern. Hence, continuous surveillance for diarrhoeal disorders is necessary to control the future outbreaks of cholera in this region.


Subject(s)
Cholera/diagnosis , Vibrio cholerae/isolation & purification , Vipoma/diagnosis , Adolescent , Adult , Child , Child, Preschool , Cholera/complications , Cholera/genetics , Cholera/microbiology , Drug Resistance, Multiple/genetics , Feces/microbiology , Female , Humans , Infant , Infant, Newborn , Male , Vibrio cholerae/genetics , Vibrio cholerae/pathogenicity , Vipoma/etiology , Vipoma/genetics , Vipoma/microbiology , Young Adult
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