Typhoid fever is a bacterial infection that can be prevented through vaccination. The typhoid vaccine is a vital tool to protect against this disease. There are different types of typhoid vaccines available in the market, and some have multiple synonyms. For example, the inactivated typhoid vaccine is also known as the killed typhoid vaccine. Similarly, the live-attenuated typhoid vaccine is popularly called the oral typhoid vaccine. Another synonym for the typhoid vaccine is the Vi capsular polysaccharide vaccine, which is highly effective and recommended for individuals traveling to high-risk areas. No matter what synonym is used for typhoid vaccine, it is an essential tool to prevent typhoid fever.