This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
Example for Live vaccine is 
Select and explain. 
A. Rubella and Yellow fever, B. Polio and TAB, C. Diptheria and Tetanus, D. Hepatitis A and Rabies
A: Rubella and Yellow fever
Answer: A: Rubella and Yellow fever 
Explanation: <img class="fr-dib" style="width: 300px;" src=" /> Live vaccines They initiate infection without causing any injury or disease. The immunity following live Vaccine administration therefore parallels that following natural infection though it may be of a lower order. The immunity lasts for several years but booster doses may be necessary. Live vaccines may be administered orally (as in with the sabin Vaccine for poliomyelitis) or parenteral (as with the Measles Vaccine) other examples are Rubella and yellow fever Ref : Ananthanarayana textbook of Microbiology 9th edition Pgno : 83