Question 1
An infectious disease researcher isolates the pathogen responsible for an emerging disease. The microbe is grown in the lab. A preparation of the laboratory-grown microbe is treated with a lethal dose of ionizing radiation and then tested for its potential as a vaccine. What type of vaccine is this?
◦ combination
◦ inactivated whole
◦ attenuated
◦ toxoid
◦ subunit
Question 2
The attenuated oral poliovirus vaccine (OVP) is no longer administered in the U.S.A. because it
◦ can revert to wild-type virulence.
◦ is very toxic.
◦ does not provide good immunity.
◦ can be spread to contacts.
◦ can be spread to contacts and can revert to wild-type virulence.