rapid genetic mutation in infected cells. consumption of the body's energy resources by viruses. release of toxins by viral particles. body's inflammatory response to infected cells.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: The symptoms of influenza infection are partly caused by the
Possibilities:
- rapid genetic mutation in infected cells.
- consumption of the body's energy resources by viruses.
- release of toxins by viral particles.
- body's inflammatory response to infected cells.

body's inflammatory response to infected cells.