University of Central Florida scientists coated iron oxide nanoparticles with the sugar dextran, which resembles the cholera toxin receptor, so any toxin in a water sample binds to them. They say the test is faster and cheaper than current methods and could fit in a handheld device.
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Cholera
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Disease
Update: Cholera Outbreak --- Haiti
Haiti's health ministry and CDC traced a surge of acute watery diarrhea to Vibrio cholerae O1 Ogawa. By November 13 the ministry had reported 16,111 hospitalizations and 992 cholera deaths across seven of Haiti's 10 departments and Port-au-Prince.
Government
CDC: Advice about Cholera for Travelers Arriving in the United States from Haiti
The CDC tells travelers returning from Haiti's cholera outbreak to seek medical care right away if watery diarrhea appears within five days. Rehydration matters most: oral rehydration solutions work, while sports drinks, sodas, juices and plain water are not sufficient for severe diarrhea.
Disease
Cholera outbreak in Haiti
Haiti reported 4,722 cholera cases and 303 deaths for October 21-27, most in Artibonite Department, with probable cases elsewhere including Port-au-Prince. The V. cholerae O1 strain resisted several drugs but stayed susceptible to tetracycline and ciprofloxacin.
Government
Travelers' Health - Outbreak Notice, Cholera in Haiti
A CDC outbreak notice on Haiti's first cholera epidemic in many years, with most cases in the Artibonite department about 50 miles north of Port-au-Prince and hospitals strained. Travel warnings already advise against nonessential travel, and no cholera vaccine is available in the US.
Disease
Cholera in Haiti: What You Need to Know
The CDC explains that Haiti's outbreak required both a breakdown in water and sanitation and the arrival of the organism. Rehydration comes first and can cut case fatality below 1 percent; antimicrobials are for severe cases only, never mass prophylaxis.
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