Vaccines prepared through recombinant DNA technology are called:

Options

A. First generation vaccines
B. Second generation vaccines
C. Third generation vaccines
D. None of the above

Answer

C

Explanation

DNA vaccines are called third generation vaccines, and are made up of a small, circular piece of bacterial DNA (called a plasmid ) that has been genetically engineered to produce one or two specific proteins (antigens) from a pathogen.