Typhoid


 
 
Concept Explanation
 

Typhoid

Typhoid: Typhoid is caused by the bacteria Salmonella typhi. They infect the intestine of man. They erode the intestinal wall and enter the blood stream. The infection causes a characteristic fever. S. typhi is found mainly in the faecal matter of an infected person. Housefly and sewage water that drains into drinking-water sources like ponds help spread the bacteria. The bacteria find their way to the human intestine through food contaminated by houseflies and through water from a contaminated source.

Signs and Symptoms: It is accompanied by headache, stomach ache, rash on the body and mental confusion (delirium).

Control: Antibiotics bring down the fever in about two weeks.

Prevention: Proper sewerage system and chlorination of drinking water prevents typhoid. At home, we can drink boiled water. Two types of vaccines are used to prevent typhoid. The typhoid antibacterial (TAB) vaccine is the most effective and protects us from typhoid for about 3 years.

Sample Questions
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Question : 1

The causal organism of typhoid fever is ________________

Right Option : B
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Question : 2

Which of the following part of body is affected during typhoid ?

Right Option : D
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Question : 3

Select the pair of diseases that are caused by contaminated water. __________________.

Right Option : A
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