Why is the common cold virus so difficult to cure in humans?(1 point)
Responses
It attacks white blood cells that fight off foreign bodies
It attacks white blood cells that fight off foreign bodies
It is a spherical-shaped virus with many protein receptors
It is a spherical-shaped virus with many protein receptors
It possesses a viral genome that mutates very quickly
It possesses a viral genome that mutates very quickly
It is caused by a special type of virus called a