Friday, May 22, 2020

Essay on Vibrio cholerae, the Human Immune System, and...

Vibrio cholerae, the Human Immune System, and Vaccines Cholera remains a drastically severe disease, killing hundreds of people each outbreak. When ingested, it attaches to the mucosal lining of the intestines and disrupts the normal flow of ions so that there is more sodium, chloride, and water in the intestinal lumen than normal and results in massive diarrhea. Cholera has made a global impact and been endemic in almost all parts of the world. Cholera control strongly emphasizes sanitation, clean drinking water, isolation, and careful food preparation. Two ways our body works against cholera as a self-limiting disease are sloughing cells and the secretory immunoglobulin (sIgA) antibody produced by mucus throughout our body. There are†¦show more content†¦Although the mucosa itself does not appear to be damaged by CT, the net flow of Na+ into tissue is decreased and the net flow of Cl- and water out of tissue is increased so as a result, there is more Na+, Cl-, and water in the lumen than there should be. This leads to massive diarrhea and great electrolyte imbalance. A patient with severe cholera can lose up to 20L of water a day (Salyers A., Abigail, 141). At times, diarrhea becomes so dilute it is almost clear, containing flecks of mucus that it is called rice water stool because of its watery consistency (Salyers A., Abigail, 142). This rapid rate of water loss and dehydration is tremendously fatal. At its most extreme, symptoms emerge in 3-4 hours, previously healthy patients can die within 6-8 hours of infection, and more commonly go into shock 6-12 hours after infection and die within 18 hours (Weekly Epidemiological Record, 6). Cholera’s level of severity is very life threatening and remains a big problem even in our world today. Almost 100 countries worldwide are still affected by cholera and it’s virtually impossible to completely prevent an outbreak. If left alone, this rapidly infectious disease can cause many fatalities. However, improved methods for surveillance, diagnosis, an d treatment, paired with higher standards of sanitation and personalShow MoreRelatedVibrio cholerae1286 Words   |  6 PagesIntroduction to Microbiology Pathogen paper Vibrio cholera Nazarbayev University Taxonomy and Morphology Vibrio cholerae is a gram-negative bacterium which is causative agent for the diarrheal disease cholera. Vibrio cholerae is a member of the Vibrionaceae family, which is a facultative anaerobic and is capable of respiratory and fermentative metabolism. It does not form spores and its motility is due to the single polar flagellum. 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Since 14 million doses of the vaccine have been distributed since June 1990, the incidence remains marginal. Experimental evidence linking GBS in humans with allergic neuritis in animals has attempted to show an immunologic basisRead MoreThe Health Issues That Are Still Affecting India Today2020 Words   |  9 PagesCholera is water borne and a communicable disease it is also preventable. This disease can cause people to have severe diarrhoea which the body then loses a mass amount of fluids, people then become exceedingly dehydrated which can lead to death. Vibrio cholera or V. Cholera is the bacteria found in Cholera infecting the intestines and causing diarrhoea (Cholera and the Thames, 2014). In 2014, The World Health Organisation (WHO) updated their fact sheet with key facts about Cholera. It was estimated

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