What is the etiological agent of cholera?

Cholera is a rapidly dehydrating diarrheal disease caused by a toxin-producing bacteria, Vibrio cholerae. The etiologic agent and pathogenesis of infection with toxigenic V.

What are the causative agent and method of transmission of cholera?

Vibrio cholerae is the causative agent responsible for cholera. It is a bean-shaped bacterium with a long tail that it uses for self-propulsion. The bacteria are transmitted between humans through the fecal-oral route; a bite of contaminated food or a sip of contaminated water can cause infection.

What are the five causes of cholera?

Cholera Causes

• Municipal water supplies.
• Ice made from municipal water.
• Foods and drinks sold by street vendors.
• Vegetables grown with water containing human wastes.
• Raw or undercooked fish and seafood caught in waters polluted with sewage.

What were the symptoms of cholera?

Cholera infection is often mild or without symptoms, but can be severe. Approximately 1 in 10 people who get sick with cholera will develop severe symptoms such as watery diarrhea, vomiting, and leg cramps. In these people, rapid loss of body fluids leads to dehydration and shock.

What are the vectors of cholera?

Transmission. Cholera bacteria have been found in shellfish and plankton. Transmission is usually through the fecal-oral route of contaminated food or water caused by poor sanitation. Most cholera cases in developed countries are a result of transmission by food, while in developing countries it is more often water.

What is the epidemiology of cholera?

Worldwide, approximately 3–5 million cholera cases and 100,000–120,000 deaths due to cholera occur annually. Cholera is transmitted by drinking water or eating food, which is contaminated with the Vibrio cholerae. Approximately 5–10\% of persons suffer from severe cholera and if untreated, 50\% of severe cases are fatal.

What is the signs and symptoms of cholera?

Signs and symptoms of cholera dehydration include irritability, fatigue, sunken eyes, a dry mouth, extreme thirst, dry and shriveled skin that’s slow to bounce back when pinched into a fold, little or no urinating, low blood pressure, and an irregular heartbeat.

What is the causative agent of tuberculosis?

Tuberculosis (TB) is caused by a bacterium called Mycobacterium tuberculosis. The bacteria usually attack the lungs, but TB bacteria can attack any part of the body such as the kidney, spine, and brain.

What are the main symptoms of cholera?

About 1 in 10 people with cholera will experience severe symptoms, which, in the early stages, include:

• profuse watery diarrhea, sometimes described as “rice-water stools”
• vomiting.
• thirst.
• leg cramps.
• restlessness or irritability.

What is cholera Wikipedia?

Cholera is an infectious disease caused by the bacterium Vibrio cholerae. It infects the small intestine. There are many types (strains) of the Vibrio cholera bacteria. Some of them cause more serious illnesses than others.

Where is cholera most prevalent?

Cholera is mostly found in the tropics — in particular Asia, Africa, Latin America, India, and the Middle East.