Which of the following is a bacterial disease?

Typhoid

The correct answer is Option (2) → Typhoid

Typhoid: This is a bacterial infection caused by Salmonella typhi. 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.

Smallpox: This is a viral disease caused by the Variola virus.

Measles: This is a viral infection caused by the Measles virus.

Polio: This is also a viral disease caused by the Poliovirus.

The correct answer is: Typhoid, as it is the only bacterial disease listed.