Why is it unlikely that there will ever be an effective vaccine against the rhinovirus, the major cause of the common cold?

Question

Quizplus · Accepted Answer

There are over 100 different serotypes of rhinovirus, making it difficult to create a vaccine that would be effective against all of them. Vaccines typically target a specific strain or a small set of strains, and the high variability of rhinoviruses makes it unlikely that a vaccine would be effective against all of them.

Why Is It Unlikely That There Will Ever Be an Effective