نتایج جستجو برای: vibrio cholera
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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 epidemics have been analysed using epidemiological models that depend on humanto-environment-to-human spread of toxigenic Vibrio cholerae bacteria (Koelle et al. 2004, Koelle et al. 2005). Within such a framework the vulnerable human population is the key driving variable, and mitigation of cholera outbreaks lies in both the human-to-environment domain (sanitation) and in the environmen...
Vibrio cholerae is the causal organism of the cholera epidemic, which is mostly prevalent in developing and underdeveloped countries. However, incidences of cholera in developed countries are also alarming. Because of the emergence of new drug-resistant strains, even though several generic drugs and vaccines have been developed over time, Vibrio infections remain a global health problem that ap...
2. Nusrin S, Khan GY, Bhuiyan NA, Ansaruzzaman M, Hossain MA, Safa A, et al. Diverse CTX phages among toxigenic Vibrio cholerae O1 and O139 strains isolated between 1994 and 2002 in an area where cholera is endemic in Bangladesh. J Clin Microbiol. 2004;42:5854–6. DOI: 10.1128/JCM.42.12.5854-5856.2004 3. Nair GB, Faruque SM, Bhuiyan A, Kamruzzman M, Siddique AK, Sack DA. New variants of Vibrio c...
Over the period 1961-89 a total of 1,713,057 cases of cholera were reported to WHO from 117 countries in all continents. The course of the epidemic fell into three periods: in period I (1961 to 1969), 24 countries (predominantly in Asia) reported about 419,968 cholera cases; in period II (1970 to 1977), 73 countries from Asia, Africa, Europe, and the Americas reported 706,261 cases; and in peri...
This paper proposes a mathematical model for cholera using optimal control of treatment through quarantine and water sanitation. Cholera is acute diarrhoea caused by Vibrio bacteria infecting the intestinal tract. The analysis related to spread this disease carried out approach. constructed demonstrated epidemiologically. proposed infected individuals during period sanitation, namely environmen...
Workers who have examined the viability of Vibrio cholera? in water are agreed that whereas the vibrio can live for a short time in untreated natural waters, it survives for longer periods in samples that had been previously boiled. Hankin (1896) attributed the bactericidal effect to the acid reaction of the river waters. d'Herelle (1926) suggested that the disappearance of vibrios from natural...
A PCR that amplifies a recently discovered Vibrio cholerae RTX (repeat in toxin) toxin gene was developed. Among 166 clinical and environmental isolates of V. cholerae causing epidemics and sporadic cases of cholera in various parts of the world, all were found to be toxigenic by both PCR and HEp-2 cell cytotoxicity assay. Standard strains of the classical biotype containing a deletion within t...
A thermolabile direct hemolysin from an El Tor cholera vibrio strain has been isolated and partially characterized as a simple protein of ca. 20,000 molecular weight. In addition to its hemolytic activity, the hemolysin is cytotoxic, cardiotoxic, and rapidly lethal. In these respects it resembles the thermostable direct hemolysin/cytotoxin/cardiotoxin/lethal toxin of Vibrio parahaemolyticus and...
Vibrio is a genus of Gram-negative bacteria, some of which can cause serious infectious diseases. Vibrio infections are associated with the consumption of contaminated food and classified in Vibrio cholera infections and non-cholera Vibrio infections. In the present study, we investigate whether bovine lactoferrin (bLF) and several synthetic peptides corresponding to bLF sequences, are able to ...
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