Air Force Immunizations Back-up Technician (IBT) Practice Test

Question: 1 / 400

What type of vaccine is the oral Typhoid vaccine considered?

Inactivated Bacterial

Live Attenuated Bacterial

The oral Typhoid vaccine is classified as a live attenuated bacterial vaccine. This means that it contains live bacteria that have been modified so they do not cause disease in healthy individuals. Instead, they stimulate an immune response that helps protect against future infections by the actual pathogen.

When a live attenuated bacterial vaccine is administered, it mimics a natural infection, prompting the body to build immunity without causing the illness itself. This type of vaccine is effective in eliciting a strong and long-lasting immune response, which is particularly beneficial in preventing typhoid fever caused by the Salmonella typhi bacterium.

In contrast, other types of vaccines mentioned, such as inactivated bacterial or viral vaccines, contain killed pathogens that do not replicate in the body, leading to a different type of immune response. Live attenuated viral vaccines also contain live viruses that have been weakened but are distinct from bacterial vaccines. Therefore, the classification of the oral Typhoid vaccine as a live attenuated bacterial vaccine accurately reflects its mechanism of action and effectiveness in producing immunity.

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Live Attenuated Viral

Inactivated Viral

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