epidemiology of vibrio cholerae
We acknowledge that whole genome sequencing (WGS) and analysis of isolates could add more information to the findings. This manual is to be used in countries with minimal laboratory capacity and few resources. You will be subject to the destination website's privacy policy when you follow the link. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance. To understand the transmission dynamics of V. cholerae and strategize for subsequent spread of the disease in the sub-region, the National Public Health and Reference Laboratory (NPHRL) of the Ghana Health Service, requested the Noguchi Memorial Institute for Medical Research to undertake this study. The ecosystem comprising V. cholerae, CTXPhi, the aquatic environment, and the mammalian host offers an understanding of the complex relationship between pathogenesis and the natural selection of a pathogen. Rarely, people in the U.S. have contracted cholera after eating raw or undercooked shellfish from the Gulf of Mexico. WHO has provided support to health authorities in Pakistan through: The risk of potential international spread from Sindh province exists given that the most affected districts are located in Karachi city which is an industrial center as well as transport hub with airport and seaport; it is also the largest city in Pakistan and capital of Sindh province. Of 277 isolates analysed, 168 (60.6%) were confirmed to be V. cholerae and 109 (39.4%) isolates constituted other bacteria (Escherichia coli, Aeromonas sobria, Pseudomonas aeruginosa, Enterobacter cloacae and Enterococci faecalis). HHS Vulnerability Disclosure, Help Keywords: Cholera Surveillance in the United States - Annual COVIS Summaries of Vibrio Illnesses WHO. This implies that the inter serotype polymorphism in virulence markers may affect the efficacy of vaccines with limited strain composition in specific geographical areas. Our data shows high resistance patterns to first- and second-line antibiotics recommended by the Ghana Health service for cholera treatment [32], which include nalidixic acid, sulfamethoxazole/trimethoprim and erythromycin, and moderate resistance to doxycycline and chloramphenicol. The main way cholera is spread is when feces from a person with cholera gets into the water and people get sick from swallowing the contaminated water. Citation: Danso EK, Asare P, Otchere ID, Akyeh LM, Asante-Poku A, Aboagye SY, et al. Whereas cluster A was dominated by isolates from the year 2015 except for 5 isolates in 2014 and 1 in 2012, cluster B was dominated by isolates from 2014 with the exception of 6 isolated in 2015. Since the first reported outbreak in 1970, Ghana has experienced many epidemics [2, 3]. Prospective travelers to areas where cholera is common should carefully follow recommendations for obtaining safe food and water at their destination, and seek medical attention promptly if they develop symptoms of cholera. To determine the genomic epidemiology and origins of O139 in China, we sequenced 104 O139 isolates collected from Zhejiang Province, China, during 1994-2018 and compared them with 57 O139 genomes from other countries in Asia. Wkly Epidemiol Rec. Motility Control as a Possible Link Between Quorum Sensing to Surface Attachment in Vibrio Species. Bookshelf The global picture of cholera changes periodically, so travelers should seek updated information on countries of interest. Vibrio cholerae is the causative agent of cholera, an acutely dehydrating diarrheal disease that can kill its victims within hours if left untreated [ 1 ]. These cookies perform functions like remembering presentation options or choices and, in some cases, delivery of web content that based on self-identified area of interests. Stephen Osei-Wusu, Background Pakistan has been experiencing intervals of sporadic cases and localized outbreaks in the last two decades. FOIA Vibrio cholerae isolates were genetically confirmed by the presence of ompW and/or ctxB genes using PCR. Cholera, caused by the bacteria Vibrio cholerae, is rare in the United States and other industrialized nations. Oral cholera vaccine (OCV) campaigns are being planned for affected areas. V. cholerae is a noninvasive intestinal pathogen. West African Centre for Cell Biology of Infectious Pathogens, University of Ghana Legon, Legon, Accra, Ghana, Cholera in Times of Chaos. In an epidemic, the source of the contamination is usually the feces of an infected person that contaminates water or food. 1998 Dec;66(12):5819-25. doi: 10.1128/IAI.66.12.5819-5825.1998. Of the 10 virulent factors characterized, 6 (O1-rfb+ctxB+toxR+hlyA+rtxA+rtxC) were common among all the 5 clones. WHO does not recommend any travel or trade restrictions on Pakistan based on the currently available information. All information these cookies collect is aggregated and therefore anonymous. Currently, no international cross-border spread has been confirmed for this event. The disease is not likely to spread directly from one person to another. Cholera affects both children and adults and can be fatal if untreated. The Food and Drug Administration tests imported and domestic shellfish for. National Public Health and Reference Laboratory, Accra, Ghana, Affiliations: 2023 Jan 4;13:1010870. doi: 10.3389/fgene.2022.1010870. A single-dose live oral cholera vaccine, called, For more information, visit the Visit CDCs global immunization website to learn more about. It is mainly linked to insufficient access to safe drinking water and inadequate sanitation. 2002;46(2):59-66. doi: 10.1111/j.1348-0421.2002.tb02659.x. Travelers, public health, medical professionals, and outbreak responders should be aware of areas with high rates of cholera, know how the disease spreads, and what to do to prevent it. Symptoms can range from mild to severe and most commonly include profuse watery diarrhea, vomiting, weakness, and leg cramps. Filter it and add either an iodine tablet. Serotyping the V. cholerae isolates identified 151 (89.9%) as Ogawa, 3 (1.8%) as Inaba and 14 (8.3%) as non-O1/O139 serogroup. Clipboard, Search History, and several other advanced features are temporarily unavailable. Figure 1: Distribution of cholera cases in Pakistan, 15 January to 27 May 2022 (n=290). 2004 Jul 30;79(31):281-8. Two large unique clusters; cluster A: 50 isolates and cluster B: 59 isolates were observed from the clustering analysis of the combined MLVA data (Fig 4). The bacteria naturally live in brackish or saltwater where they attach themselves easily to the chitin-containing shells of crabs, shrimps, and other shellfish.Some strains of V. cholerae are pathogenic to humans and cause a deadly disease called cholera, which can be derived from the consumption of . MeSH MLVA Clustering analysis based on copy-numbers of the 5 VNTRs used for the study identified two major clusters (clusters A and B) of V. cholerae. Available at:https://www.who.int/emergencies/disease-outbreak-news/item/2022-DON391. The pathogenesis of cholera is complex involving several factors that aid V. cholerae bacteria to colonize and release enterotoxin (CT) that disrupts ion transport by intestinal epithelial cells. The GIS co-ordinates of the residential location of the cases were used to construct a graphical plot of the distribution of the V. cholerae isolates using ArcMap employed in ArcGIS v10.1 [27]. People who get cholera often have mild symptoms or no symptoms, but cholera can be severe. How soon after exposure do symptoms appear? Antibiotic susceptibility profile of Vibrio cholerae isolates across three outbreak years. Genomic Epidemiology of Vibrio cholerae O139, Zhejiang Province, China, 1994-2018 - Volume 28, Number 11November 2022 - Emerging Infectious Diseases journal - CDC EID Journal Volume 28 Number 11November 2022 Main Article Volume 28, Number 11November 2022 Research Genomic Epidemiology of Vibrio cholerae O139, Zhejiang Province, China, 1994-2018 Without treatment, death can occur within hours. 2022 Aug 15;42:279. doi: 10.11604/pamj.2022.42.279.36368. Discover a faster, simpler path to publishing in a high-quality journal. We conducted a molecular epidemiological study to detect virulence markers and antimicrobial resistance patterns of V. cholerae isolates obtained from cholera cases occurring during the 20122015 outbreaks in Ghana. D. Comment Illness caused by V. cholerae other than toxigenic V. cholerae O1 or O139, such as Seven pandemics of cholera have been recorded since the first pandemic in 1817, the last of which is on going. Using PCR amplification and DNA sequencing analysis of the five VNTRs (VC0147, VC0436-7, VC1650, VCA0171 and VCA0283), approximately 83.3% (140/168) of the samples analysed gave good sequence data for all the five loci analysed and were used in the MLVA. Wkly Epidemiol Rec. Unauthorized use of these marks is strictly prohibited. The incubation period is between 12 hours and five days after ingestion of contaminated food or water. Virulence. Some travelers have brought contaminated seafood home from abroad, resulting in cholera. Our study of archived bacterial isolates from patients with diarrhoea during the 2012, 2014 and 2015 cholera outbreaks in Ghana reveals several important findings. 2008 Aug 1;83(31):269-83. Noguchi Memorial Institute for Medical Research, College of Health Sciences, University of Ghana, Legon, Accra, Ghana, Although production of CT, encoded by the ctxAB genes, is directly responsible for the manifestation of diarrhoea [43], cholera pathogenesis relies on the synergistic action of additional genes. The disease is characterized by a devastating watery diarrhea which leads to rapid dehydration, and death occurs in 50 to 70% of untreated patients. Climate changes, increasing water contamination and coastlines anthropization, favor the global spread of Vibrio spp. Recent reports indicate the emergence of antibiotic resistant V. cholerae strains from cholera-endemic African countries [7, 8]. An oral cholera vaccine has been approved for use in the United States in adults 1864 years of age who are traveling to an area of active cholera transmission. Phenotypic drug susceptibility testing by Kirby-Bauer disc diffusion method was performed using Muller-Hinton Agar in accordance with the Clinical and Laboratory Standards Institute (CLSI) guidelines [10]. Vibrio infections are largely classified into 2 distinct groups: Vibrio cholera infections and noncholera Vibrio infections. Antibiotics are commonly used in animal husbandry as growth supplements to prevent infection and to increase yield. These isolates could be more virulent upon acquisition of cholera toxin in the future, which compares with findings by Eibach et al. In addition to Sindh province, three districts in Balochistan have reported 31 confirmed cases and nine deaths while two districts in Punjab have reported 25 confirmed cases. Archived clinical isolates used in this study were obtained from presumptive cholera cases attending some selected health facilities (Ga West Municipal hospital, Achimota hospital, Korle-Bu Polyclinic, La General hospital, University of Ghana hospital, Princess Marie Luis childrens hospital, and 37 Military hospital) in Southern Ghana during the 2012, 2014 and 2015 cholera outbreak years.
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