Salmonella typhi typically enters the small intestine through ____A_____ and spreads to other parts of the body through ____B_____.

A–consumption of contaminated food and water; B–blood

The correct answer is Option (1) -A–consumption of contaminated food and water; B–blood

Salmonella typhi is a pathogenic bacterium which causes typhoid fever in human beings. These pathogens generally enter the small intestine through food and water contaminated with them and migrate to other organs through blood. Sustained high fever (39° to 40°C), weakness, stomach pain, constipation, headache and loss of appetite are some of the common symptoms of this disease. Intestinal perforation and death may occur in severe cases.

Typhoid fever could be confirmed by Widal test .

A classic case in medicine, that of Mary Mallon nicknamed Typhoid Mary, is worth mentioning here. She was a cook by profession and was a typhoid carrier who continued to spread typhoid for several years through the food she prepared