Breurec, Sebastien Franck, Thierry Njamkepo, Elisabeth Mbecko, Jean-Robert Rauzier, Jean Sanke-Waïgana, Hugues Kamwiziku, Guyguy Piarroux, Renaud Quilici, Marie-Laure Weill, François-Xavier
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Published in
Emerging Infectious Diseases
Four cholera outbreaks were reported in the Central African Republic during 1997–2016. We show that the outbreak isolates were Vibrio cholerae O1 serotype Inaba from 3 seventh pandemic El Tor sublineages originating from West Africa (sublineages T7 and T9) or the African Great Lakes Region (T10).
Griffiths, Karolina Moise, Kenny Piarroux, Martine Gaudart, Jean Beaulieu, Samuel Bulit, Greg Marseille, Jean-Petit Jasmin, Paul Menahel Namphy, Paul Christian Henrys, Jean-Hugues
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Published in
Emerging Infectious Diseases
Centre Department, Haiti, was the origin of a major cholera epidemic during 2010–2019. Although no fine-scale spatial delineation is officially available, we aimed to analyze determinants of cholera at the local level and identify priority localities in need of interventions. After estimating the likely boundaries of 1,730 localities by using Voron...
Morita, Masatomo Okada, Kazuhisa Yamashiro, Tetsu Sekizuka, Tsuyoshi Roobthaisong, Amonrattana Wongboot, Warawan Chantaroj, Siriporn Tu, Nguyen Dong Xangsayarath, Phonepadith Sithivong, Noikaseumsy
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Published in
Open Forum Infectious Diseases
We performed whole-genome sequencing of Vibrio cholerae O1 isolates from Laos, Thailand, and Vietnam, where cholera outbreaks occurred, to determine their genetic lineages. Core genome phylogenetic analysis revealed that the isolates located in same lineage without regional clusters, which suggests that closely related strains circulated in Southea...
BUNDI, MWEBIA MARTIN
Kenya is endemic for cholera with different waves of outbreaks having been documented since 1971. In recent years, new variants of Vibrio cholerae O1 have emerged and have replaced most of the traditional El Tor biotype globally. These strains also appear to have increased virulence, and it is important to describe and document their phenotypic and...
Im, Justin Islam, Md Taufiqul Ahmmed, Faisal Kim, Deok Ryun Chon, Yun Zaman, K Khan, Ashraful Islam Ali, Mohammad Marks, Florian Qadri, Firdausi
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Verma, Jyoti Bag, Satyabrata Saha, Bipasa Kumar, Pawan Ghosh, Tarini Shankar Dayal, Mayanka Senapati, Tarosi Mehra, Seema Dey, Prasanta Desigamani, Anbumani
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The Bay of Bengal is known as the epicenter for seeding several devastating cholera outbreaks across the globe. Vibrio cholerae, the etiological agent of cholera, has extraordinary competency to acquire exogenous DNA by horizontal gene transfer (HGT) and adapt them into its genome for structuring metabolic processes, developing drug resistance, and...
PHAM, DUC THO
Vibrio cholerae O1 causes cholera, and cholera toxin, the principal mediator of massive diarrhea, is encoded by ctxAB in the cholera toxin (CTX) prophage. In this study, the structures of the CTX prophage region of V. cholerae strains isolated during the seventh pandemic wave 1 in Asian countries were determined and compared. Eighteen strains were ...
Abana, David Gyamfi, Elizabeth Dogbe, Magdalene Opoku, Grace Opare, David Boateng, Gifty Mosi, Lydia
Published in
BMC Infectious Diseases
BackgroundCholera has been endemic in Ghana since its detection in 1970. It has been shown that long-term survival of the bacteria may be attained in aquatic environments. Consequently, cholera outbreaks may be triggered predominantly in densely populated urban areas. We investigated clinical and environmental isolates of Vibrio cholerae O1 in Accr...
Pham, Tho Duc Nguyen, Tuan Hai Iwashita, Hanako Takemura, Taichiro Morita, Kouichi Yamashiro, Tetsu
Vibrio cholerae O1 causes cholera, and cholera toxin, the principal mediator of massive diarrhea, is encoded by ctxAB in the cholera toxin (CTX) prophage. In this study, the structures of the CTX prophage region of V. cholerae strains isolated during the seventh pandemic wave 1 in Asian countries were determined and compared. Eighteen strains were ...
Angermeyer, Angus Das, Moon Moon Singh, Durg Vijai Seed, Kimberley D
The Vibrio cholerae biotype "El Tor" is responsible for all of the current epidemic and endemic cholera outbreaks worldwide. These outbreaks are clonal, and it is hypothesized that they originate from the coastal areas near the Bay of Bengal, where the lytic bacteriophage ICP1 (International Centre for Diarrhoeal Disease Research, Bangladesh choler...