Choose the word which is different from the rest.

Tuberculosis
Small pox
Cholera
Typhoid E. Tetanus

The answer is B, small pox. Small pox is a viral disease that was eradicated in 1980. The other four diseases are bacterial diseases.

Tuberculosis is a bacterial disease that affects the lungs. It is the leading cause of death from infectious disease worldwide.

Cholera is a bacterial disease that affects the intestines. It is characterized by severe diarrhea and vomiting.

Typhoid is a bacterial disease that affects the intestines. It is characterized by fever, headache, and abdominal pain.

Tetanus is a bacterial disease that affects the nervous system. It is characterized by muscle stiffness and spasms.