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Cholera haiti

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https://www.readbyqxmd.com/read/28916247/comparison-of-two-control-groups-for-estimation-of-oral-cholera-vaccine-effectiveness-using-a-case-control-study-design
#1
Molly F Franke, J Gregory Jerome, Wilfredo R Matias, Ralph Ternier, Isabelle J Hilaire, Jason B Harris, Louise C Ivers
BACKGROUND: Case-control studies to quantify oral cholera vaccine effectiveness (VE) often rely on neighbors without diarrhea as community controls. Test-negative controls can be easily recruited and may minimize bias due to differential health-seeking behavior and recall. We compared VE estimates derived from community and test-negative controls and conducted bias-indicator analyses to assess potential bias with community controls. METHODS: From October 2012 through November 2016, patients with acute watery diarrhea were recruited from cholera treatment centers in rural Haiti...
September 12, 2017: Vaccine
https://www.readbyqxmd.com/read/28820704/the-price-of-peace-peacekeeping-with-impunity-harms-public-health-in-haiti
#2
Louise C Ivers, Yodeline Guillaume
In April, 2017, the United Nations (UN) announced that it will withdraw peacekeeping soldiers from Haiti after 13 years there.(1) Known by its French acronym MINUSTAH, the mission has been controversial in security terms, but in terms of public health, it is not controversial to state that peacekeepers will be leaving a heavy mark on the health of Haitians. The UN has acknowledged that peacekeeping soldiers were responsible for both the introduction of cholera (which sparked a nationwide epidemic) and the sexual abuse and exploitation of Haitians, including minors...
August 7, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28749774/assessment-of-risk-of-cholera-in-haiti-following-hurricane-matthew
#3
Rakib Khan, Rifat Anwar, Shafqat Akanda, Michael D McDonald, Anwar Huq, Antarpreet Jutla, Rita Colwell
Damage to the inferior and fragile water and sanitation infrastructure of Haiti after Hurricane Matthew has created an urgent public health emergency in terms of likelihood of cholera occurring in the human population. Using satellite-derived data on precipitation, gridded air temperature, and hurricane path and with information on water and sanitation (WASH) infrastructure, we tracked changing environmental conditions conducive for growth of pathogenic vibrios. Based on these data, we predicted and validated the likelihood of cholera cases occurring past hurricane...
July 24, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28722575/household-and-individual-risk-factors-for-cholera-among-cholera-vaccine-recipients-in-rural-haiti
#4
Wilfredo R Matias, Jessica E Teng, Isabelle J Hilaire, Jason B Harris, Molly F Franke, Louise C Ivers
Oral cholera vaccination was used as part of cholera control in Haiti, but the vaccine does not provide complete protection. We conducted secondary data analyses of a vaccine effectiveness study in Haiti to evaluate risk factors for cholera among cholera vaccine recipients. Individuals vaccinated against cholera that presented with acute watery diarrhea and had a stool sample positive for Vibrio cholerae O1 were included as cases. Up to four vaccinated individuals who did not present for treatment of diarrhea were included as controls for each case, and matched by location of residence, enrollment time, and age...
August 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28674316/vibrio-cholerae-o1-ogawa-strains-carrying-the-ctxb7-allele-caused-large-cholera-outbreak-during-2014-in-the-tribal-areas-of-odisha-india
#5
Bibhuti Bhusan Pal, Hemant Kumar Khuntia, Smruti Ranjan Nayak, Anima Mohanty, Bhagyalaxmi Biswal
The large outbreak of cholera reported during July to Sept, 2014 in Narla block of Kalahandi district was investigated to find out the causative organism. The rectal swabs collected from diarrhoea patients and environmental water samples were sub-cultured following standard techniques. The causative organism was V.cholerae O1 Ogawa biotype El Tor while DMAMA-PCR assay confirmed that all strains were ctxB7 of Haitian variants V.cholerae O1. The water samples were negative for V. cholerae .The V.cholerae O1 strains were sensitive to tetracycline, ciprofloxacin, norfloxacin, ofloxacin, doxycycline, azithromycin,; but were resistant to erythromycin, gentamicin, chloramphenicol, furazolidone, neomycine, cotrimoxazole, nalidixic acid and ampicilin...
July 1, 2017: Japanese Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28625543/characterization-of-vibrio-cholerae-o1-strains-that-trace-the-origin-of-haitian-like-genetic-traits
#6
Priyanka Ghosh, Dhirendra Kumar, Goutam Chowdhury, Puneeta Singh, Prosenjit Samanta, Shanta Dutta, T Ramamurthy, N C Sharma, Preety Sinha, Yogendra Prasad, Sumio Shinoda, Asish K Mukhopadhyay
Vibrio cholerae O1 is the etiological agent of the severe diarrheal disease cholera. The bacterium has recently been causing outbreaks in Haiti with catastrophic effects. Numerous mutations have been reported in V. cholerae O1 strains associated with the Haitian outbreak. These mutations encompass among other the genes encoding virulence factors such as the pilin subunit of the toxin-co-regulated pilus (tcpA), cholera toxin B subunit (ctxB), repeat in toxins (rtxA), and other genes such as the quinolone resistance-determining region (QRDR) of gyrase A (gyrA), rstB of RS element along with the alteration in the number of repeat sequences at the promoter region of ctxAB...
June 15, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28619405/treating-childhood-malnutrition-in-rural-haiti-program-outcomes-and-obstacles
#7
C Nicholas Cuneo, Emily Dansereau, Anand R Habib, Mary Davies, Samuel Ware, Kenneth Kornetsky
BACKGROUND: Haiti has the worst malnutrition rate in the Western hemisphere. In October 2010, a cholera epidemic erupted and spread rapidly throughout the country, straining Haiti's already fragile health infrastructure across all levels of care. This study reviews data from an outpatient therapeutic feeding program (OTP) for acute childhood malnutrition at a clinic in rural Haiti with a focus on the effect of the 2010 cholera epidemic on program operations. METHODS: A retrospective chart review was conducted for the complete set of patients who were enrolled in the OTP from its inception in March 2009 through January 2014...
March 2017: Annals of Global Health
https://www.readbyqxmd.com/read/28612739/cholera-outbreak-in-haiti-from-2010-to-today
#8
John Zarocostas
No abstract text is available yet for this article.
June 10, 2017: Lancet
https://www.readbyqxmd.com/read/28533237/antimicrobial-resistance-risks-of-cholera-prophylaxis-for-united-nations-peacekeepers
#9
Amber Kunkel, Joseph A Lewnard, Virginia E Pitzer, Ted Cohen
More than 5 years after a United Nations peacekeeping battalion introduced cholera to Haiti, over 150,000 peacekeepers continue to be deployed annually from countries where cholera is endemic. The United Nations has thus far declined to provide antimicrobial chemoprophylaxis to peacekeepers, a policy based largely on concerns that the risks of drug resistance generation and spread would outweigh the potential benefits of preventing future cholera importations. In this study, we sought to better understand the relative benefits and risks of cholera chemoprophylaxis for peacekeepers in terms of antibiotic resistance...
August 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28493859/recommendations-of-the-advisory-committee-on-immunization-practices-for-use-of-cholera-vaccine
#10
Karen K Wong, Erin Burdette, Barbara E Mahon, Eric D Mintz, Edward T Ryan, Arthur L Reingold
Cholera, caused by infection with toxigenic Vibrio cholerae bacteria of serogroup O1 (>99% of global cases) or O139, is characterized by watery diarrhea that can be severe and rapidly fatal without prompt rehydration. Cholera is endemic in approximately 60 countries and causes epidemics as well. Globally, cholera results in an estimated 2.9 million cases of disease and 95,000 deaths annually (1). Cholera is rare in the United States, and most U.S. cases occur among travelers to countries where cholera is endemic or epidemic...
May 12, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28410382/controlling-cholera-in-the-ouest-department-of-haiti-using-oral-vaccines
#11
Alexander Kirpich, Thomas A Weppelmann, Yang Yang, John Glenn Morris, Ira M Longini
Following the 2010 cholera outbreak in Haiti, a plan was initiated to provide massive improvements to the sanitation and drinking water infrastructure in order to eliminate cholera from the island of Hispaniola by 2023. Six years and a half billion dollars later, there is little evidence that any substantial improvements have been implemented; with increasing evidence that cholera has become endemic. Thus, it is time to explore strategies to control cholera in Haiti using oral cholera vaccines (OCVs). The potential effects of mass administration of OCVs on cholera transmission were assessed using dynamic compartment models fit to cholera incidence data from the Ouest Department of Haiti...
April 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28406405/risk-factors-of-cholera-transmission-in-rural-areas-in-haiti
#12
P Gazin, R Barrais, F Uwineza
Cholera, present in Haiti since October 2010, persisted in early 2014 in several places, each with its own particular epidemiological characteristics. The scarcity of fresh water probably contributed to the spread of the disease in some rural areas. Population gatherings in places without an access to either safe water or sanitation infrastructure were another factor. Outreach activities of hygiene promotion and improving access to chlorinated water had positive results. The disappearance of choléra in areas where effective preventive actions were conducted supports the conclusion that its transmission is predominantly interhuman, without the sustainable installation of the pathogenic Vibrio in the Haitian environment...
February 1, 2017: Médecine et Santé Tropicales
https://www.readbyqxmd.com/read/28129137/tracking-disease-digital-epidemiology-offers-new-promise-in-predicting-outbreaks
#13
Mary Bates
On 19 October 2010, ten months after a devastating earthquake hit Haiti, the Haitian Ministry of Public Health and Population (MSPP) was notified of a sudden surge in patients suffering from watery diarrhea and dehydration. Two days later, the Haiti National Public Health Laboratory identified the culprit: Vibrio cholerae. On 22 October, officials announced the first cholera outbreak in Haiti in more than a century.
January 2017: IEEE Pulse
https://www.readbyqxmd.com/read/28110630/healthcare-waste-management-during-disasters-and-its-effects-on-climate-change-lessons-from-2010-earthquake-and-cholera-tragedies-in-haiti
#14
Emilia M Raila, David O Anderson
Despite growing effects of human activities on climate change throughout the world, and global South in particular, scientists are yet to understand how poor healthcare waste management practices in an emergency influences the climate change. This article presents new findings on climate change risks of healthcare waste disposal during and after the 2010 earthquake and cholera disasters in Haiti. The researchers analysed quantities of healthcare waste incinerated by the United Nations Mission in Haiti for 60 months (2009 to 2013)...
March 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28007529/application-of-a-paper-based-device-containing-a-new-culture-medium-to-detect-vibrio-cholerae-in-water-samples-collected-in-haiti
#15
Romain Briquaire, Rita R Colwell, Jacques Boncy, Emmanuel Rossignol, Aline Dardy, Isabelle Pandini, François Villeval, Jean-Louis Machuron, Anwar Huq, Shah Rashed, Thierry Vandevelde, Christine Rozand
Cholera is now considered to be endemic in Haiti, often with increased incidence during rainy seasons. The challenge of cholera surveillance is exacerbated by the cost of sample collection and laboratory analysis. A diagnostic tool is needed that is low cost, easy-to-use, and able to detect and quantify Vibrio cholerae accurately in water samples within 18-24h, and perform reliably in remote settings lacking laboratory infrastructure and skilled staff. The two main objectives of this study were to develop and evaluate a new culture medium embedded in a new diagnostic tool (PAD for paper based analytical device) for detecting Vibrio cholerae from water samples collected in Haiti...
February 2017: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/27959699/eliminating-cholera-transmission-in-haiti
#16
Louise C Ivers
When Hurricane Matthew struck on October 4, 2016, it left 1.4 million people in southern Haiti in need of urgent humanitarian assistance; it destroyed homes and health care facilities, flooded water sources with runoff, ruined crops, killed livestock, and displaced hundreds of thousands of people...
January 12, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/27818656/antimicrobial-susceptibility-of-autochthonous-aquatic-vibrio-cholerae-in-haiti
#17
Sandrine Baron, Jean Lesne, Eric Jouy, Emeline Larvor, Isabelle Kempf, Jacques Boncy, Stanilas Rebaudet, Renaud Piarroux
We investigated the antimicrobial susceptibility of 50 environmental isolates of Vibrio cholerae non-O1/non-O139 collected in surface waters in Haiti in July 2012, during an active cholera outbreak. A panel of 16 antibiotics was tested on the isolates using the disk diffusion method and PCR detection of seven resistance-associated genes (strA/B, sul1/2, ermA/B, and mefA). All isolates were susceptible to amoxicillin-clavulanic acid, cefotaxime, imipenem, ciprofloxacin, norfloxacin, amikacin, and gentamicin...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27799642/evaluation-of-knowledge-and-practices-regarding-cholera-water-treatment-hygiene-and-sanitation-before-and-after-an-oral-cholera-vaccination-campaign-haiti-2013-2014
#18
Lana Childs, Jeannot François, Alina Choudhury, Kathleen Wannemuehler, Amber Dismer, Terri B Hyde, Catherine Y Yen, Kashmira A Date, Stanley Juin, Mark A Katz, Erica Felker Kantor, Janell Routh, Melissa Etheart, Tracie Wright, Paul Adrien, Rania A Tohme
In 2013, the Government of Haiti implemented its first oral cholera vaccine (OCV) campaign in Petite Anse, an urban setting, and Cerca Carvajal, a rural commune. We conducted and compared responses to two independent cross-sectional knowledge and practices household surveys pre- (N = 297) and post- (N = 302) OCV campaign in Petite Anse. No significant differences in knowledge about causes, symptoms, and prevention of cholera were noted. Compared with precampaign respondents, fewer postcampaign respondents reported treating (66% versus 27%, P < 0...
December 7, 2016: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27786291/non-toxigenic-environmental-vibrio-cholerae-o1-strain-from-haiti-provides-evidence-of-pre-pandemic-cholera-in-hispaniola
#19
Taj Azarian, Afsar Ali, Judith A Johnson, Mohammad Jubair, Eleonora Cella, Massimo Ciccozzi, David J Nolan, William Farmerie, Mohammad H Rashid, Shrestha Sinha-Ray, Meer T Alam, J Glenn Morris, Marco Salemi
Vibrio cholerae is ubiquitous in aquatic environments, with environmental toxigenic V. cholerae O1 strains serving as a source for recurrent cholera epidemics and pandemic disease. However, a number of questions remain about long-term survival and evolution of V. cholerae strains within these aquatic environmental reservoirs. Through monitoring of the Haitian aquatic environment following the 2010 cholera epidemic, we isolated two novel non-toxigenic (ctxA/B-negative) Vibrio cholerae O1. These two isolates underwent whole-genome sequencing and were investigated through comparative genomics and Bayesian coalescent analysis...
October 27, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27729331/cholera-threatens-haiti-after-hurricane-matthew
#20
Susana Ferreira
No abstract text is available yet for this article.
October 11, 2016: BMJ: British Medical Journal
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