Q: Despite being very different viruses, rhinovirus and influenza virus (both affecting the respiratory system) can cause some similar symptoms. The reason for this is:
A		both viruses have similar replication mechanisms.
B		all viruses induce the same responses by the body.
C		many immune responses are generic and similar regardless of the pathogen.
D		the symptoms are caused by the medication used to treat the viruses.

Viruses | Immune System |