Give example of a vaccine is currently using clinical practice. How does it work?

Explain the potential drawbacks of that vaccine.

 

2. Explain how the bacterium is attenuated in the Vivotif vaccine and why this attenuation prevents the the bacteria in the vaccine from causing typhoid fever. (Note: You will find the answer in the product insert for the drug under “Clinical Pharmacology.” Be specific and thorough in your response.)

4. The Typhim Vi® vaccine is a(n) _____ vaccine.

a. sub-unit

b. inactivated

c. attenuated

5. Explain why re-immunization with the Vivotif® vaccine is recommended every five years, but is recommended every two years for the Typhim Vi® vaccine. (Note: Use your knowledge of immunology to answer this question).

Helpful Links:

Typhoid Vaccine Information

• Immunization Action Coalition Click on “Typhoid.” http://www.immunize.org/fda/

• World Health Organization [WHO] Click on “Typhoid” http://www.who.int/immunization/diseases/en/