Typhoid is a dangerous disease caused by the bacterium Salmonella typhi. According to the National Institutes of Health, typhoid cases are rare in the United States: only about 400 cases occur each year, and 75 percent of these are acquired during travel to countries where typhoid is common.

Typhoid fever is an infectious disease caused by the bacteria Salmonella typhi. The Centers for Disease Control and Prevention, or CDC, estimates a worldwide incidence of 22 million cases and 200,000 deaths annually. It occurs less commonly in the United States, with a yearly estimate of only 400 cases.

From the moment of entry into this world, bacteria surround you. They are abundant in all environments. Bacteria live on your skin, in your intestine and in many other body locations. The overwhelming majority of bacteria do not cause disease.

Typhoid fever is an infection caused by bacteria called Salmonella typhi. The bacteria are transmitted through consumption of contaminated food and drinks. The antibiotics ciprofloxacin and ceftriaxone are generally used to treat this infection. Typhoid fever is rare in the United States.