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a. Name the causative agent of typhoid in humans. b. Name the test administered to confirm the disease. c. How does the pathogen gain entry into the human body? Write the diagnostic symptoms and mention the body organ that gets affected in severe cases. OR Name the bacterium that causes typhoid. Mention two diagnostic symptoms. How is this disease transmitted to others? |
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Answer» Typhoid • It is caused by pathogenic bacterium Salmonella typhi. • It is spread by contaminated food and water. • It generally enters the small intestine and then migrates to other organs through blood. • Typhoid fever can be confirmed by Widal test. • Mary Mallon, called Typhoid Mary, was a cook and a typhoid carrier who continued to spread the disease for several years through the food prepared by her, before it was discovered. Symptoms a. Constant high fever (39°C to 40°C) b. Weakness c. Stomach pain d. Loss of appetite e. Constipation f. Headache g. Intestinal perforation and death may occur in severe cases. |
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