NEET BIOLOGY

Detailed explanation-1: -A person can get cholera by drinking water or eating food contaminated with cholera bacteria. In an epidemic, the source of the contamination is usually the feces of an infected person that contaminates water or food. The disease can spread rapidly in areas with inadequate treatment of sewage and drinking water.

Detailed explanation-2: -Cholera transmission is closely linked to inadequate access to clean water and sanitation facilities. Typical at-risk areas include peri-urban slums, and camps for internally displaced persons or refugees, where minimum requirements of clean water and sanitation are not been met.

Detailed explanation-3: -Contaminated water supplies are the main source of cholera infection. The bacterium can be found in: Surface or well water. Contaminated public wells are frequent sources of large-scale cholera outbreaks.

Detailed explanation-4: -Cholera is a bacterial disease caused by the bacterium ‘Vibrio cholerae’. This type of bacteria is usually present in contaminated foods. It is also found in places where there is a lack of sanitation facilities. This disease was first discovered in the US during the 1800s.

Detailed explanation-5: -It is caused by eating food or drinking water contaminated with a bacterium called Vibrio cholerae. Cholera was prevalent in the U.S. in the 1800s, before modern water and sewage treatment systems eliminated its spread by contaminated water.