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Cholera is a bacterial infection of the intestines that leads to severe diarrhea and rapid dehydration, "which can quickly become life-threatening without treatment," says Dr. Jason Nagata, ...
An 1831 color lithograph by Robert Seymour depicts cholera as a robed, skeletal creature emanating a deadly black cloud.. The miasma theory (also called the miasmic theory) is an abandoned medical theory that held that diseases—such as cholera, chlamydia, or the Black Death—were caused by a miasma (μίασμα, Ancient Greek for 'pollution'), a noxious form of "bad air", also known as ...
Cholera is caused by a number of types of Vibrio cholerae, with some types producing more severe disease than others. [2] It is spread mostly by unsafe water and unsafe food that has been contaminated with human feces containing the bacteria. [2] Undercooked shellfish is a common source. [9] Humans are the only known host for the bacteria. [2]
Some strains of V. cholerae are pathogenic to humans and cause a deadly disease called cholera, which can be derived from the consumption of undercooked or raw marine life species or drinking contaminated water. [2] V. cholerae was first described by Félix-Archimède Pouchet in 1849 as some kind of protozoa.
A cholera outbreak in Syria has already killed at least 33 people, posing a danger across the frontlines of the country's 11-year-long war and stirring fears in crowded camps for the displaced.
Cholera toxin (also known as choleragen and sometimes abbreviated to CTX, Ctx or CT) is an AB5 multimeric protein complex secreted by the bacterium Vibrio cholerae. [ 1 ] [ 2 ] CTX is responsible for the massive, watery diarrhea characteristic of cholera infection. [ 3 ]
At the time of the Broad Street outbreak, physicians and scientists held two competing theories on the causes of cholera in the human body: miasma theory and germ theory. [6] The London medical community debated the cause of the city's persistent cholera outbreaks.
The 2010s Haiti cholera outbreak was the first modern large-scale outbreak of cholera—a disease once considered under control largely due to the invention of modern sanitation. The disease was reintroduced to Haiti in October 2010, not long after the disastrous earthquake earlier that year, and since then cholera has spread across the country ...