Answers to Questions on Typhoid Fever
Approximately 3 to 5 percent of people may still carry the typhoid fever bacteria, even if symptoms go away with treatment. In carriers, it is possible for the illness to return or be passed on to other people. These people are known as typhoid fever carriers. The most famous typhoid fever carrier was Mary Mallon, the infamous Typhoid Mary.
One way to prevent typhoid fever is with the typhoid vaccine. There are two types of typhoid vaccines. One vaccine contains killed Salmonella typhi bacteria. This vaccine is administered by a shot. The other vaccine contains a live but weakened strain of the Salmonella bacteria that causes typhoid fever. This vaccine is taken by mouth.
It may surprise you, but watching what you eat and drink when you travel is as important as being vaccinated. This is because typhoid fever vaccines are not 100 percent effective. In addition, avoiding risky foods will help protect you from other illnesses, including: