The correct response is:
It has a viral genome that mutates very quickly.
This rapid mutation leads to a high number of different strains of viruses that can cause the common cold, making it challenging to develop a universally effective vaccine.
Why is it difficult to produce a vaccine for the common cold in humans?(1 point)
Responses
It is a spherical-shaped virus with many protein receptors.
It is a spherical-shaped virus with many protein receptors.
It is caused by retroviruses that insert viral RNA into the host cell's DNA.
It is caused by retroviruses that insert viral RNA into the host cell's DNA.
It attacks white blood cells that fight off foreign bodies.
It attacks white blood cells that fight off foreign bodies.
It has a viral genome that mutates very quickly.
1 answer