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Immunological Memory and Vaccination Chapter 11

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Immunological Memory and Vaccination Chapter 11

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Questions and Answers

What can occur when antibodies from a primary exposure to a dengue virus serotype bind to a different serotype during a second exposure?

Antibody-dependent enhancement (ADE) (correct)
Neutralization of the virus
Elimination of macrophages
Production of more neutralizing antibodies

What is a benefit of DNA and mRNA vaccines?

They are only effective in elderly individuals
They can bypass the lengthy process of traditional vaccine development (correct)
They are only effective against a single serotype of a virus
They require a lengthy process of traditional vaccine development

What is the mechanism by which macrophages take up the virus in antibody-dependent enhancement (ADE)?

Via the T-cell receptor
Via the B-cell receptor
Via the Fc receptor (correct)
Via the MHC receptor

What is a safety concern associated with DNA and mRNA vaccines?

They have serious safety concerns (B) Signup and view all the answers

What type of vaccine introduces the genetic material for making immunogenic viral proteins directly into the host?

DNA vaccine (C) Signup and view all the answers

Which of the following vaccines is an example of an mRNA vaccine?

Pfizer Moderna (D) Signup and view all the answers

What type of vaccine is developed by Astra-Zeneca?

Adenovirus vaccine (C) Signup and view all the answers

What is the name of the receptor involved in antibody-dependent enhancement (ADE)?

Fc receptor (C) Signup and view all the answers

What is a result of antibody-dependent enhancement (ADE)?

Severe disease (B) Signup and view all the answers

Which of the following vaccines is an example of an inactivated coronavirus vaccine?

Sinopharm (B) Signup and view all the answers