Isolation of Vibrio cholerae El Tor Serotype Inaba in 2006 and the most common phage type of V. cholerae in Mumbai

De, Anuradha; Mathur, M

doi:10.4103/0970-0218.45385

Cited by 3 publications

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“…This finding is similar to other studies 2027 32 35 36 A rising trend in MDR was observed over the years. A similar finding has been reported globally 37…”

Section: Discussionsupporting

confidence: 92%

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Phenotypic and antibiogram pattern ofV. choleraeisolates from a tertiary care hospital in Mumbai during 2004–2013: a retrospective cross-sectional study

et al. 2016

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ObjectivesCholera is a major gastroenteric disease with reports on fluctuation and resistance. Hence, the objective is to determine the trend in seasonality, resistance pattern, prevalent biotypes, serotypes and phage types between 2004 and 2013 among Vibrio cholerae isolates.DesignA retrospective cross-sectional study.SettingsA single-centre study was carried out at a tertiary care hospital in a metropolitan city (Mumbai) of a developing country (India).MethodsRecords of stool specimen cultures of patients with suspected cholera from January 2004 to December 2013 were analysed. The organisms were identified as per standard protocol. Antimicrobial susceptibility testing was performed as per Clinical Laboratory Standard Institute. Biotyping, serotyping and phage typing were carried out. From the confirmed cases of cholera, demographic and laboratory details were noted. Descriptive analysis was used and the data were presented in the form of percentages.ResultsVibrio cholerae was predominant in males and was isolated from 9.41% (439/4664) of stool specimens. Variability was found in terms of the gross appearance of stool specimens, seasonal trend and antibiotic resistance pattern. The antimicrobial susceptibility showed a waxing and waning pattern for most of the antibiotics (ampicillin, cefuroxime, chloramphenicol, tetracycline) tested, while for a few others the strains were either uniformly sensitive (gentamicin, norfloxacin) or resistant (trimethoprim-sulfamethoxazole, nalidixic acid). All isolates belonged to subgroup O1 and biotype El Tor. The most common serotype was Ogawa. The predominant phage type was T2 (old scheme) and T27 (new scheme).ConclusionsThe predominant biotype, serotype and phage type were El Tor, Ogawa and T27 phage, respectively. The changing trends in antimicrobial resistance pattern over the years necessitate continued epidemiological and microbiological surveillance of the disease.

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“…This finding is similar to other studies 2027 32 35 36 A rising trend in MDR was observed over the years. A similar finding has been reported globally 37…”

Section: Discussionsupporting

confidence: 92%

“…The new typing scheme showed T27 as the predominant phage type, which is similar to other studies 2021 24 25 32 36…”

Section: Discussionsupporting

confidence: 88%

Phenotypic and antibiogram pattern ofV. choleraeisolates from a tertiary care hospital in Mumbai during 2004–2013: a retrospective cross-sectional study

et al. 2016

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Plasmid mediated antibiotic resistance of Vibrio cholerae O1 biotype El Tor serotype Ogawa associated with an outbreak in Kolkata, India

Mandal¹,

DebMandal

Pal³

2010

Asian Pacific Journal of Tropical Medicine

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Changing Epidemiological Trend of Cholera in West Bengal: The Giant Is Back

Bhattacharyya¹,

Konar²,

Kundu³

et al. 2013

jemds

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Cholera is a devastating diarrheal disease caused by V. cholera. Two biotypes of V. cholerae O1, classical and El-Tor, are distinguished. Each biotype is further subdivided into two serotypes, termed Inaba and Ogawa. As large deltaic areas of the Ganges and Brahmaputra rivers are considered to be the homeland of cholera, objective of our study was to detect the circulating strain of Vibrio causing Cholera outbreaks in different pockets of West Bengal. Water samples collected from the water sources of the affected areas and stool samples and or rectal swabs of suspected cases were tested according to standard bacteriological protocol.In July 2008, Cholera outbreak was caused by Vibrio cholerae O1 El-Tor Inaba serotype in Darjeeling district affecting 176 persons. Mean age of the affected people was 15years. Thereafter in the June, 2010, there was an outbreak of Vibrio cholerae El Tor Ogawa affecting 87 people in Maldah. Mean age of the cases was 25years. Similar type of Vibrio cholerae O1 El-Tor Ogawa strain was isolated in the outbreak of June to September 2012 in Maldah with lower mean age of cases i.e.7years. A total of 93 patients suffered from Cholera during this outbreak. Cholera outbreak in West Bengal was caused by classical Vibrio cholerae O1 Ogawa serotype affecting 803 people in North 24 Paragana in October, 2013. Mean age of the patients was 31year. As classical Vibrio causes more severe disease than El-Tor, its reemergence with multidrug resistant properties is no doubt an upcoming threat.

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Isolation of Vibrio cholerae El Tor Serotype Inaba in 2006 and the most common phage type of V. cholerae in Mumbai

Cited by 3 publications

References 1 publication

Phenotypic and antibiogram pattern ofV. choleraeisolates from a tertiary care hospital in Mumbai during 2004–2013: a retrospective cross-sectional study

Phenotypic and antibiogram pattern ofV. choleraeisolates from a tertiary care hospital in Mumbai during 2004–2013: a retrospective cross-sectional study

Plasmid mediated antibiotic resistance of Vibrio cholerae O1 biotype El Tor serotype Ogawa associated with an outbreak in Kolkata, India

Changing Epidemiological Trend of Cholera in West Bengal: The Giant Is Back

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