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Cholera – An Infectious Disease Spread by Contaminated Water
What is Cholera?
Cholera is an acute infectious disease caused by the bacterium Vibrio cholerae. It spreads primarily through contaminated water and food, particularly in areas with poor sanitation and hygiene. Common symptoms include severe diarrhea, vomiting, and dehydration, which can quickly become life-threatening if left untreated. Cholera is most common in developing countries where access to clean drinking water is limited.
Causes and Spread of Cholera
The Vibrio cholerae bacterium enters the digestive system through contaminated food or water. Once inside, it releases a toxin that causes cells in the intestinal lining to secrete large amounts of water and electrolytes, leading to significant fluid loss. Cholera spreads rapidly, especially in densely populated or disaster-stricken areas with damaged infrastructure.
Long-term Effects of Cholera
Without treatment, cholera can lead to death within hours due to extreme fluid and electrolyte loss. However, with timely intervention such as rehydration therapy, survival rates are very high. Preventative measures like access to clean drinking water and improved sanitation are crucial in stopping cholera outbreaks.