Question

All bacterial and viral vaccines licensed for intranasal administration in cats are _______________, as are a number of parenteral vaccines.

Answer 1

Bacterial and viral vaccines licensed for intranasal administration in cats and some parenteral vaccines are sub-unit vaccines.

Step-by-step explanation:

All bacterial and viral vaccines licensed for intranasal administration in cats are considered sub-unit vaccines, as are a number of parenteral vaccines. Sub-unit vaccines are specific cell surface antigens that, when injected into a person, produce immunity against the agent and related agents. For example, the intranasal influenza vaccine, and the polio and typhoid vaccines administered orally, are all sub-unit vaccines.